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Endgame Gear OP1 8k v2 vs Razer Viper V4 Pro

A

Product A: Endgame Gear

OP1 8k v2

85 of 154 known

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B

Product B: Razer

Viper V4 Pro

88 of 154 known

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Only differences

AEndgame Gear OP1 8k v2

BRazer Viper V4 Pro

General

5 of 9 differ

Series

OP11Maker product pageendgamegear.com/products/op1-8k-v2-wired-gaming-mouseRead 8 October 2026Product title on the current US page. It is the second version of the OP1 8k, so it stays in the OP1 series.

Razer Viper1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026Product family: Razer Viper

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

EGG-OP1-8K-V2-BLK1Maker product pageendgamegear.com/products/op1-8k-v2-wired-gaming-mouseRead 8 October 2026Black variant explicitly EGG-OP1-8K-V2-BLK. White and Dark Frost are not added as variants.

RZ01-05630100-R3U1, RZ01-05630200-R3U1, RZ01-05630300-R3U1, RZ01-05630100-R3G1, RZ01-05630200-R3G1, RZ01-05630300-R3M11Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026US store SKUs end in R3 U1. EU store (eu-en, de-de) SKUs end in R3 G1, the Esports Green Edition in R3 M1

GTIN / EAN

42514425131391Maker product pageendgamegear.com/products/op1-8k-v2-wired-gaming-mouseRead 8 October 2026Black SKU barcode 4251442513139 in maker product JSON, independently matched by official distributor and US retailer. Current variant barcode, not original OP1 8k.

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

Not available

24 March 20262Press releaserazer.com/newsroom/product-news/viper-v4-pro-gigantus-v2-proRead 30 September 2026

Status

Available1Maker product pageendgamegear.com/products/op1-8k-v2-wired-gaming-mouseRead 8 October 2026Current US product page for the standard OP1 8k v2 Black.

Available1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Endgame Gear OP1 8k5Reviewrtings.com/mouse/reviews/endgame-gear/op1-8k-v2Read 8 October 2026RTINGS says the OP1 8k v2 keeps the shape and switches of the original OP1 8k and calls the original its predecessor.

Razer Viper V3 Pro2Press releaserazer.com/newsroom/product-news/viper-v4-pro-gigantus-v2-proRead 30 September 2026Razer's launch release says the Viper V4 Pro builds on the Viper V3 Pro and is about 9% lighter than it.13Reviewprosettings.net/reviews/razer-viper-v4-proRead 8 October 2026ProSettings reviews the Viper V4 Pro as the successor to the Viper V3 Pro.

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

From $159.991Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20262Press releaserazer.com/newsroom/product-news/viper-v4-pro-gigantus-v2-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 20268Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630200-R3U1Read 30 September 20269Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630300-R3U1Read 30 September 202610Maker product pagerazer.com/eu-en/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3G1Read 30 September 202611Maker product pagerazer.com/eu-en/gaming-mice/razer-viper-v4-pro/RZ01-05630200-R3G1Read 30 September 202612Maker product pagerazer.com/eu-en/gaming-mice/razer-viper-v4-pro/RZ01-05630300-R3M1Read 30 September 202616Press articlephandroid.com/2026/03/24/razer-announces-the-viper-v4-pro-its-latest-gaming-mouseRead 8 October 202617Reviewcgmagonline.com/review/hardware/razer-viper-v4-pro-gaming-mouseRead 8 October 202618Reviewtweaktown.com/reviews/11398/razer-viper-v4-pro-wireless-gaming-mouse-built-for-competition/index.htmlRead 8 October 2026

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US1Maker product pageendgamegear.com/products/op1-8k-v2-wired-gaming-mouseRead 8 October 2026Current US product page for the standard OP1 8k v2 Black.

US, EU1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026

ColoursiThe maker's own colour names

Black1Maker product pageendgamegear.com/products/op1-8k-v2-wired-gaming-mouseRead 8 October 2026Black variant of the current US standard OP1 8k v2 page. The Raw Input Edition is separate and excluded.

Black, White, Esports Green Edition1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026

Segment

Gaming1Maker product pageendgamegear.com/products/op1-8k-v2-wired-gaming-mouseRead 8 October 2026Current US product page for the standard OP1 8k v2 Black.

Gaming1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026

Mouse type

Standard3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Complete exact-model diagram shows a conventional horizontal optical mouse with top buttons and underside sensor. It is not a vertical mouse or trackball.

Standard4Measurementrtings.com/mouse/reviews/razer/viper-v4-proRead 30 September 2026Type: Standard

Shape

2 of 14 differ

Body shapeiDescribes shell symmetry, not the intended hand. Symmetrical with side buttons on one side differs from an asymmetric right-handed body. Ambidextrous means a symmetrical body with side buttons on both sides.

Symmetrical body4Maker product pagearchisite.co.jp/products/endgame-gear/op1-8k-v2Read 8 October 2026Specifications explicitly left-right symmetrical, for right-hand use. Handedness of side buttons does not turn symmetrical shell into asymmetric right-handed shape.

Symmetrical body1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026Maker FAQ: right-handed symmetrical shape. Stored enum describes body symmetry, and left-only side buttons do not make the body asymmetrical.

Maker size classiThe maker’s marketed size label. Do not infer a size class from dimensions or reviewer hand-fit recommendations.

Not available

Not available

Recommended gripsiGrip styles explicitly recommended by the maker. A reviewer finding a grip usable does not add a maker recommendation.

Claw2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Redesigned Shape for Versatile Claw Grip emphasizes claw. Other hand/grip compatibility is not converted into quantified fit measurements.

Claw, Fingertip1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026FAQ: optimized for Claw and Fingertip users

Recommended hand sizeiMaker recommendation, measured from wrist to middle fingertip for hand length. Source notes specify whether limits are inclusive or exclusive.

Not available

Not available

Hump positioniPosition of the shell’s highest point along its length, from a maker drawing or exact-model review.

Back6Reviewrtings.com/mouse/reviews/best/by-type/wiredRead 8 October 2026Public OP1 v2 roundup entry explicitly low-profile hump towards back of body. Generic unknown review claims central hump are not used.

Centre13Reviewprosettings.net/reviews/razer-viper-v4-proRead 8 October 2026Exact Viper V4 Pro review describes a central, gradual hump.

Thumb rest

No3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Complete top/side body diagram has symmetrical flat sidewalls without a projecting thumb shelf.

No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Exact-model complete body/control drawing shows no separate thumb, ring or pinky support shelf.

Ring or pinky finger rest

No3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Complete body diagram has no separate projecting finger-rest structure. Extended sidewalls are not counted as a finger rest.

No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Exact-model complete body/control drawing shows no separate thumb, ring or pinky support shelf.

Upper shelliThe primary hand-contact shell. An open or perforated bottom alone does not make the upper shell perforated.

Solid3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Complete body/disassembly illustration shows continuous outer shell, no perforated upper panel.

Solid5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Complete exact-model body drawing shows a closed upper hand-contact shell. An open underside does not change this classification.

Swappable parts

Not available

Not available

Adjustable weight

Not available

Not available

Maximum added weightiTotal removable weight supplied with the mouse, excluding the mouse’s normal weight.

Not available

Not available

Vertical angle

Not available

Not available

Trackball diameter

Not available

Not available

Trackball position

Not available

Not available

Dimensions and weight

2 of 5 differ

Mouse body dimensionsiLength from front to rear, width at the widest body point, and maximum height. Cable and receiver are excluded. Approximate maker figures are qualified in source notes. Logitech pages often label the front-to-rear length Height and the body height Depth, so map the figures by size.

Length118.2Maximum width60.5Maximum height37.2mm(4.7 × 2.4 × 1.5 in)2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Maker approximate dimensions 118.2 x 60.5 x 37.2 mm (L x W x H), widest body width. No rounded inch conversion substituted.

Length127.1Maximum width63.9Maximum height39.9mm(5 × 2.5 × 1.6 in)6Maker product pagemysupport.razer.com/app/answers/detail/a_id/20775Read 30 September 2026Normal public Specs tab: 127.1 × 63.9 × 39.9 mm.7Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: 127.1×63.9×39.9 mm.

Grip widthiBody width where the thumb and opposite grip finger sit. This differs from maximum body width.

Not available

Not available

Mouse weight (claimed)iWireless mice include the battery. When the maker does not say whether a removable battery is in the weight, the published weight is stored and the source note says so. Wired mice exclude the cable. Source notes identify installed skates, colour, approximation, tolerance or a published bound.

49.5g(1.7 oz)2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Maker approximately 49.5 g for standard Black/White. Dark Frost 50.5 g is a different coating configuration. Independent measured 46.6 g stays separate.

49g(1.7 oz)2Press releaserazer.com/newsroom/product-news/viper-v4-pro-gigantus-v2-proRead 30 September 2026Launch release approximate 49 g Black, 50 g White. Cable/dongle excluded in official technical spec record.

Box dimensions

Not available

Not available

Packed weightiMouse, packaging and included accessories. Shipping-service weight is not evidence of packed weight.

Not available

Not available

Sensor

18 of 20 differ

Marketed sensor nameiMaker’s sensor branding, or reviewer identification when the maker does not publish one. The physical part number is recorded separately.

PixArt PAW39502Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Custom model is PAW3950 with a maker egg mark. Base silicon PAW3950, not predecessor PAW3395.

Focus Pro 50K Optical Sensor Gen-31Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Focus Pro 50K Optical Sensor Gen-3.

Published sensor brandiSensor brand or trademark named by the source, which may be the mouse maker’s proprietary branding. Physical silicon manufacturer and part number are separate facts.

PixArt2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Razer1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026Published Focus Pro 50 K Optical Sensor Gen-3 proprietary branding. Physical sensor OEM is not asserted.7Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Focus Pro 50K Optical Sensor Gen-3.

Physical sensor part numberiExact physical sensor family or part identified by the maker or an exact-model reviewer. Do not infer it from DPI, speed or a sibling mouse.

PAW39502Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Not available

Sensor type

Optical2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Optical2Press releaserazer.com/newsroom/product-news/viper-v4-pro-gigantus-v2-proRead 30 September 2026Launch release: Focus Pro 50 K Optical Sensor Gen 3.

Maximum configurable DPIiMaximum selectable DPI with the documented firmware. Later firmware increases are noted in sources. The sensor chip’s theoretical maximum is not the mouse’s maximum.

30,000DPI2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU table and both US/EU narrative explicitly 30,000 CPI. Stale US technical table 26,000 is rejected.

50,000DPI1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: 50000 DPI.

Minimum configurable DPIiLowest selectable sensitivity on this mouse. Factory presets do not establish its minimum.

10DPI2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU table explicitly 10 DPI. Old US table begins 50-step generic resolution metadata and is not used.

100DPI5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Performance UI screenshot on printed p 19 shows minimum 100 and maximum 50000 DPI.

DPI adjustment stepiSmallest documented configuration increment, not the spacing between factory presets.

10DPI2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Finest step 10 CPI at or below 10,000. Above 10,000 increment 50. This is a configurable increment, not measured sensor accuracy.

1DPI1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20261-DPI step adjustments in Synapse

Maximum DPI stagesiMaximum number of selectable sensitivity presets saved at once, not the number of distinct supported DPI values.

Not available

55Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide p 19: create up to five sensitivity stages.

Default DPI presetsiFactory preset sensitivity values for the exact model and firmware. Source notes distinguish different factory profiles.

400, 800, 1,600, 3,200DPI2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current table default presets 400/800/1600/3200, active 800. Four default presets do not by themselves prove maximum stage capacity.

400, 800, 1,600, 3,200, 6,400DPI1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026FAQ: factory DPI settings 400, 800, 1600 (default), 3200 and 64005Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed p 7 DPI and indicator chart: factory 400/800/1600/3200/6400 DPI shown by LED colour.

Separate X and Y DPI

Yes7Retailer pagepccasegear.com/products/69760/endgame-gear-op1-8k-v2-gaming-mouse-blackRead 8 October 2026Exact Black EGG-OP1-8K-V2-BLK Software & LEDs feature table explicitly Independent X/Y CPI, Angle Snapping, Ripple Control and Glass Mode. These are available settings, not measured effectiveness.

Not available

Tracking speed (claimed)iMaker or published product specification, in inches per second. If the source says more than a value, that numeric threshold is stored and qualified in the source note. Do not read it as an exact ceiling.

750IPS2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

930IPS1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: 930 IPS.

Tracking acceleration (claimed)iMaximum tracking acceleration in multiples of gravitational acceleration, not mouse weight. A source saying more than a value is retained as a qualified threshold in the source note.

50G2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

90G1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: 90G.

Lift-off distance settingsiOnly documented selectable lift-off values, or one documented fixed value. A minimum, approximate measured result or unquantified range does not establish a complete option list.

0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7mm2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU narrative/table explicitly eleven selectable values 0.7–1.7 mm in 0.1 mm steps, default 1 mm. Stale US 1/2 mm table rejected. Actual measured lift height is unknown.

Not available

Separate lift and landing distance

Not available

Yes1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026Asymmetric cut-off with up to 26 levels

Surface calibrationiSensor calibration for a tracking surface. Adjustable lift-off distance or copying sensitivity from another mouse alone does not establish this feature.

Not available

Yes14Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 8 October 2026Smart Tracking automatically calibrates lift-off distance across surfaces. Rotation Tool is separate and is not treated as angle snapping. Frame Sync is not copied into the Motion Sync field.

Motion SynciWhether sensor motion synchronization is supported. Polling-rate restrictions and default state belong in source notes.

Yes2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current narrative optional Motion Sync up to 8000 Hz, at cost of one polling event. Not predecessor 4000 Hz limit. Sensor frame-rate 20,500 fps lock requires firmware 1.02+, and later firmware adds a max-frame-rate toggle. Frame rate is not USB report rate.

Not available

Angle snapping

Toggleable7Retailer pagepccasegear.com/products/69760/endgame-gear-op1-8k-v2-gaming-mouse-blackRead 8 October 2026Same Software & LEDs feature table lists Angle Snapping as an available setting, not measured effectiveness.

Not available

Ripple control

Yes7Retailer pagepccasegear.com/products/69760/endgame-gear-op1-8k-v2-gaming-mouse-blackRead 8 October 2026Same Software & LEDs feature table lists Ripple Control as an available setting, not measured effectiveness.

Not available

Tracks on glass

Yes7Retailer pagepccasegear.com/products/69760/endgame-gear-op1-8k-v2-gaming-mouse-blackRead 8 October 2026GlassMode is documented software feature. No claim that every glass surface is tracked, no accuracy measurement, and glass mousepad compatibility of skates alone not used as proof.

Not available

Sensor position

Not available

Not available

Performance

4 of 8 differ

Documented polling rates by connectioniOne row per documented usable rate and connection. Receiver and firmware requirements are noted. Maximum-only claims do not imply all intermediate settings or the same ceiling over USB.

AEndgame Gear OP1 8k v2

Data connection	Polling rate (Hz)
USB (wired)	1,000
USB (wired)	2,000
USB (wired)	4,000
USB (wired)	8,000

Source2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current table/manual 1000/2000/4000/8000Hz, default 8000. Wired USB data via fixed cable, no receiver. Click path remains 8000Hz across sensor report settings.

BRazer Viper V4 Pro

Data connection	Polling rate (Hz)	Receiver requirement
2.4 GHz	125	Included HyperSpeed Wireless Gen-2 dongle
2.4 GHz	500	Included HyperSpeed Wireless Gen-2 dongle
2.4 GHz	1,000	Included HyperSpeed Wireless Gen-2 dongle
2.4 GHz	2,000	Included HyperSpeed Wireless Gen-2 dongle
2.4 GHz	4,000	Included HyperSpeed Wireless Gen-2 dongle
2.4 GHz	8,000	Included HyperSpeed Wireless Gen-2 dongle
USB (wired)	8,000	Not available

Source1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026Tech specs: up to 8000 Hz in both wireless and wired modes. The dongle LED legend lists 8000, 4000, 2000, 1000, 500 and 125 Hz5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 9 and 19, Performance UI screenshot: radio polling options 125/500/1000/2000/4000/8000. Wired maximum 8000 independently stated in maker Specs. Lower wired choices not inferred.

Max polling rate

8,000Hz=CalculatedFrom Documented polling rates by connection

8,000Hz=CalculatedFrom Documented polling rates by connection

Polling rate (wired)

8,000Hz=CalculatedFrom Documented polling rates by connection

8,000Hz=CalculatedFrom Documented polling rates by connection

Polling rate (2.4 GHz)

Not available

8,000Hz=CalculatedFrom Documented polling rates by connection

Polling rate (Bluetooth)

Not available

Not available

Claimed click latencyiAbsolute click-latency claim from the maker. A relative improvement is not absolute latency. Source notes give polling mode and whether the number is an average, bound or best case.

0.07ms2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Maker upper-bound average below 0.070 ms over 10,000 clicks using XLAT 1.4.0, click reporting 8000 Hz. Stored numeric bound is qualified here. GX Speed advantage of about 1.4 ms is separately stated. Exact tested click-mode selection and firmware are unstated. This is maker testing, not an independent measurement or polling reciprocal.

0.204ms2Press releaserazer.com/newsroom/product-news/viper-v4-pro-gigantus-v2-proRead 30 September 2026Launch release averages as low as 0.204 ms clicks, true 8000 Hz in wired/wireless. This is a best-case maker average, not an unconditional measurement.

Adjustable debounce

Not available

Not available

Minimum debounceiLowest documented debounce setting or fixed main-switch debounce delay. Click response time or total click latency is not the same quantity.

Not available

0ms2Press releaserazer.com/newsroom/product-news/viper-v4-pro-gigantus-v2-proRead 30 September 2026Launch release: optical Gen 4 main switches operate with zero debounce delay.

Measured

1 of 7 differ

Latency per connection (measured)iReviewer measurements for an identified connection, polling rate, firmware and settings. Click and sensor latency use different test methods and are not interchangeable.

Not available

Not available

DPI deviation (measured)iReviewer measurement of deviation from a specified DPI value. Test DPI, travel speed, distance and method belong in source notes.

Not available

Not available

Lift-off distance (measured)iReviewer-measured lift-off height at the lowest setting, on the specified surface. Do not store the maker’s selectable LOD here.

Not available

Not available

Main click force (measured)iReviewer-measured main-button actuation force in gram-force. Not the mouse weight and not an electrical latency measure.

Not available

Not available

Weight (measured)iReviewer scale measurement. Include battery for wireless mice and exclude cable for wired mice. Source notes identify colour and installed skates.

46.6g(1.6 oz)5Reviewrtings.com/mouse/reviews/endgame-gear/op1-8k-v2Read 8 October 2026Sample scope only: Differences Between Sizes and Variants explicitly Black sample. Current test bench 1.5.2. Numeric mass comes only from the separately cited public wired-mouse roundup. Firmware and weighing setup unspecified. Protected test data is not used.6Reviewrtings.com/mouse/reviews/best/by-type/wiredRead 8 October 2026Public roundup OP1 8k v2 entry explicitly Default Weight 46.6 g and prose less than 47 g. Direct linked exact review identifies Black sample, current Test Bench 1.5.2. Cable support, scale setup, specimen tolerance and firmware at weighing are unspecified. Maker approximate 49.5 g remains separate. No other locked numeric values imported.

48.9g(1.7 oz)4Measurementrtings.com/mouse/reviews/razer/viper-v4-proRead 30 September 2026Default weight 48.9 g, Black unit, methodology v 1.5.2

Battery life (measured)iReviewer-measured runtime from a stated test, not a claim, forecast or extrapolation. Polling, lighting and other power settings must be identified.

Not available

Not available

Hand size fitiExact-model reviewer fit assessment. Source notes define the hand-length bands and tested grip. Do not translate general praise into every size fitting.

Not available

Not available

Switches

9 of 11 differ

Main switch typeiActuation technology for the left and right main buttons. Hybrid means optical-mechanical. Inductive analog switches detect travel by induction.

Mechanical2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Optical1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Razer Optical Mouse Switch Gen 4, 100 million.

Published main-switch brandiBrand named for the main switches. Proprietary Razer, Pulsar, Glorious or Logitech branding does not identify the physical contract manufacturer.

Kailh2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Razer1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Razer Optical Mouse Switch Gen 4, 100 million.

Main switch model

GX2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Optical Mouse Switches Gen-41Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Razer Optical Mouse Switch Gen 4, 100 million.

Main switch rated lifeiManufacturer or component rating for the main left/right switches, in millions of actuations. This is not a whole-mouse durability measurement.

80million2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

100million1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026Switch lifecycle: 100-million clicks7Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Razer Optical Mouse Switch Gen 4, 100 million.

Hot-swap main switchesiMain switches can be changed without soldering. Opening the case or using a switch pack can still be required.

Yes2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Swappable screw-access main switch PCBs. Optional switch packs or Universal Switch Pack required for other mechanisms, solder-free. No pack included in standard box is inferred.

Not available

Adjustable click actuationiThe point where a main click registers can be configured. Debounce adjustment changes timing, not actuation travel.

Not available

Not available

Separate main buttons

Yes3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Disassembly diagram shows distinct main-button covers separate from removable top body.

Yes5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide p 2 body drawing shows separate left/right button plates.

Side switch model

Kailh GM 2.02Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Pre-sorted Kailh GM 2.0, rated 20 million. Main GX 80 million rating not applied to side switches.

Not available

Middle click switch

Kailh GM 2.02Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Pre-sorted Kailh GM 2.0, rated 20 million, distinct from wheel encoder.

Not available

Scroll encoder type

Not available

Optical2Press releaserazer.com/newsroom/product-news/viper-v4-pro-gigantus-v2-proRead 30 September 2026Launch release: Optical Scroll Wheel.

Scroll encoder

Kailh Dustproof2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Not available

Buttons and scroll wheel

1 of 13 differ

Physical button inputsiIncludes left/right, wheel click, each wheel-tilt direction, DPI/report-rate/profile buttons and a wheel-mode pushbutton. Excludes scroll rotation, power sliders and connection sliders. A connection pushbutton, such as Logitech Easy-Switch, counts even when the maker's own count leaves it out. A button that only switches power does not. Counts each physical input once.

62Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Complete table counts 2 main + 2 side + wheel click + bottom CPI = 6 physical buttons. Wheel rotation is not extra physical buttons.

63Retailer pageamazon.com/dp/B0GMLBSSTDRead 30 September 2026Button quantity 6. PC Gamer lists 5 buttons, likely leaving out the bottom DPI button5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 2–3, complete body drawing: separate main plates, two left side buttons, central wheel click and bottom Power/DPI button make 6 inputs.

Programmable buttonsiNumber of physical button inputs that can be remapped. Excludes scroll-up/down actions, alternate software layers and non-programmable mode controls.

Not available

61Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: 6 programmable buttons.

Side buttonsiButtons on the thumb-facing side walls, including a side DPI-shift button. Top buttons beside the main click plate and bottom setting buttons are excluded.

22Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

25Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide p 2, buttons 4 and 5 in body layout.

Side buttons on

Left3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Quick Start Guide layout diagram.

Left5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide p 2 body layout shows two buttons on the left.

DPI buttoniA physical pushbutton that changes sensitivity. A button shared with power or report rate still counts. Software-only switching does not.

Yes2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Yes1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20265Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 2–3, complete body drawing: bottom Power/DPI button.

DPI button position

Bottom2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Bottom1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026FAQ: the button at the bottom toggles power and DPI by default and is programmable5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 2–3, complete body drawing: the Power/DPI button is on the bottom.

Profile buttoniA dedicated physical profile-switch button. A remappable input that could be assigned this action does not prove a dedicated control.

No3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Complete button layout identifies only bottom mode button: short press cycles CPI and 1.5-second hold cycles report rate. No separate profile button.

No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Complete exact-model control layout has one central scroll wheel and no separate thumb wheel or dedicated profile, gesture or DPI-shift control. Remappable software actions are excluded.

Dedicated DPI-shift buttoniDedicated physical control for temporarily switching sensitivity while held. A software-remappable input is not automatically a dedicated sniper control.

No3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Complete physical inventory has no dedicated temporary DPI-shift button. The bottom CPI cycler is separately described.

No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Complete exact-model control layout has one central scroll wheel and no separate thumb wheel or dedicated profile, gesture or DPI-shift control. Remappable software actions are excluded.

Dedicated gesture buttoniA dedicated physical gesture control. Assigning a gesture action to a remappable button does not establish a separate gesture button.

No3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Complete physical inventory assigns each of six buttons to main, side, middle or mode. No dedicated gesture input.

No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Complete exact-model control layout has one central scroll wheel and no separate thumb wheel or dedicated profile, gesture or DPI-shift control. Remappable software actions are excluded.

Scroll wheel

Notched5Reviewrtings.com/mouse/reviews/endgame-gear/op1-8k-v2Read 8 October 2026Public Work text explicitly wheel lacks horizontal input and free scrolling. Single conventional notched wheel, corroborated by maker 2-way scrolling and US retailer Standard Scroll Wheel. No locked wheel metric copied.

Notched6Maker product pagemysupport.razer.com/app/answers/detail/a_id/20775Read 30 September 2026Normal public Specs tab: 24-step Optical Scroll Wheel.7Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: 24-step Optical wheel.

Scroll mode switchiHow the wheel changes between notched and free-spin modes. None means there is no such mode-switch mechanism.

None5Reviewrtings.com/mouse/reviews/endgame-gear/op1-8k-v2Read 8 October 2026Public work summary no free-scrolling and full physical inventory no wheel-mode control. Bottom mode button changes CPI/report rate instead.

None6Maker product pagemysupport.razer.com/app/answers/detail/a_id/20775Read 30 September 2026Specs tab and complete guide layout show a 24-step wheel and no mode-change control.

Separate thumb wheeliA separate side wheel operated by the thumb. Tilting the central scroll wheel does not count.

No3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Complete button/wheel inventory has a single central wheel and no separate thumb wheel.

No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Complete exact-model control layout has one central scroll wheel and no separate thumb wheel or dedicated profile, gesture or DPI-shift control. Remappable software actions are excluded.

Scroll wheel material

Not available

Not available

Build

4 of 6 differ

Shell material

Plastic, polymer unspecified2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Not available

Surface finishiPublished surface finish, such as matte or textured. Soft-feel wording does not establish rubber material or a chemical coating.

Matte4Maker product pagearchisite.co.jp/products/endgame-gear/op1-8k-v2Read 8 October 2026Dry Grip Coating section explicitly matte UV coat for standard Black/White. Dark Frost rubberized finish excluded.

Not available

Installed feet materialiMaterial of the factory-installed skates, excluding separately supplied replacements or dot skates. Virgin PTFE means additive-free or explicitly virgin-grade PTFE.

PTFE2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current standard model material PTFE. No 99.5%/100% purity inferred from separately sold skate options, and Raw Input special skates excluded.

PTFE1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026100% PTFE7Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: 100% PTFE feet.

Installed skate piecesiNumber of separate factory-installed skate pieces, including a sensor ring. Excludes spare skates supplied in the box.

43Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Bottom diagram plus current Black maker underside render show one front pad and three rear pads = 4 installed pads. Optional sensor ring is not installed.

35Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed p 2 underside drawing: front pad, rear pad and sensor ring.

Feet shapeiGeometry of the installed skates. Pads plus a sensor ring are mixed. Separate dots are dots.

Pads3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Installed small set consists of pads. Spare sensor ring remains optional.

Mixed5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed p 2 underside drawing: pads plus sensor ring.

Feet thickness

Not available

Not available

Cable

4 of 5 differ

Cable

Paracord4Maker product pagearchisite.co.jp/products/endgame-gear/op1-8k-v2Read 8 October 2026Always-on corded mouse section explicitly paracord Flex Cord 5.0 and table 180 cm USB-A.

Not available

Cable length

1.8m2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

Not available

Detachable cableiThe cable unplugs from an external socket on the mouse without opening it. A service-replaceable internal cable does not count.

No4Maker product pagearchisite.co.jp/products/endgame-gear/op1-8k-v2Read 8 October 2026Fixed external cable shown in exact manual/setup and permanently corded product design. Internal replacement requires opening housing. Supported spare Flex Cord does not create an external detachable plug.

Yes3Retailer pageamazon.com/dp/B0GMLBSSTDRead 30 September 20265Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 2–6, charging and Wired Mode: one detachable USB Type A-to-C cable.

Port on mouseiExternally accessible data/charging socket on the mouse. A fixed cable is none. USB-C describes the connector, not a transfer-speed version.

None4Maker product pagearchisite.co.jp/products/endgame-gear/op1-8k-v2Read 8 October 2026Fixed external cable instead of user-accessible mouse-end connector. Internal service connection not counted as a mouse port.

USB-C3Retailer pageamazon.com/dp/B0GMLBSSTDRead 30 September 20265Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 2–6, charging and Wired Mode: USB-C mouse port.

Cable host plugiConnector on the computer end of the supplied or fixed cable, independent of the mouse-end connector.

USB-A2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Current EU Especificaciones table for the standard Black model. Stale US rows are not used.

USB-A3Retailer pageamazon.com/dp/B0GMLBSSTDRead 30 September 20265Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 2–6, charging and Wired Mode: one USB Type A-to-C cable.

Connectivity

4 of 13 differ

ConnectionsiConnections that carry mouse input data. A USB cable used only for charging does not establish wired USB operation.

USB (wired)2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026No Power-Saving section explicitly permanent corded data connection. Technical table wired USB Type A.

2.4 GHz, USB (wired)1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Razer HyperSpeed Wireless Gen 2 and Wired.

Wireless technology

Not available

Razer HyperSpeed Wireless Gen-21Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Razer HyperSpeed Wireless Gen 2 and Wired.

BluetoothiThe version number only, such as 5.1. LE and Low Energy are left out. A source that names only Bluetooth Low Energy gives no version.

Not available

Not available

Saved Bluetooth pairing slotsiNumber of Bluetooth hosts whose pairing the mouse remembers. A limit of one concurrently connected host does not establish the number of saved slots.

Not available

Not available

Switchable host devicesiNumber of host devices selectable through the documented mouse controls without manually moving a data cable. Not the number of physical receivers or simultaneous active links alone.

Not available

Not available

Device switching

Not available

Not available

Receiver host connectoriHost plug on the included small receiver. A larger cabled receiver is described in source notes. This differs from the charging cable’s plug.

Not available

Not available

Receiver storage in mouse

Not available

Not available

Receiver extender includediAn included adapter, dock or cabled receiver arrangement moves the receiver closer to the mouse. A charging-only adapter does not count.

Not available

Yes15Reviewtechradar.com/computing/mice/razer-viper-v4-pro-reviewRead 8 October 2026Included hemispherical receiver connects to the PC through the supplied USB-C to USB-A cable, allowing it to sit near the mouse. No separate compact receiver extender is claimed.

Receiver pairing sharediA receiver can pair with another supported device, such as a keyboard, at the same time. This does not mean the mouse switches between computers.

Not available

Not available

Wireless rangeiPublished range and test conditions. A recommended receiver distance or minimum reliable range is not an exact maximum.

Not available

Not available

Basic mouse OS supportiOperating systems supported for basic input. Configuration software support is listed separately and may require a newer OS version.

Windows, Linux9Retailer pagemicrocenter.com/product/700318/endgame-gear-op1-8k-v2-gmg-mse-blkRead 8 October 2026System Requirements explicitly Windows 10/11 and Linux for exact Black mouse. Official configuration/updater Windows-only remains separate. Unproved macOS behavior omitted.

Windows, macOS3Retailer pageamazon.com/dp/B0GMLBSSTDRead 30 September 2026Hardware platform: Mac, PC5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed p 4 system requirements: Synapse needs Windows 11 or later, or macOS 15 or later on Apple Silicon M-series. Synapse Web is named separately by the launch release.

ConsolesiConsole families explicitly supported. Source notes identify exact consoles, games and reduced polling or software functions.

Not available

Not available

Battery

8 of 17 differ

Battery type

Not available

Li-ion5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide printed p 32: the Viper V4 Pro contains a Li-ion rechargeable battery.

Disposable battery countiNumber of disposable cells, such as AA or AAA. Do not use this field for internal rechargeable cells.

Not available

Not available

Battery capacityiPublished or physically identified internal battery capacity. Do not calculate mAh from claimed runtime or compare capacities across unverified hardware revisions.

Not available

Not available

User-replaceable batteryiBattery replacement is a supported user procedure. The ability to open and modify the mouse does not establish this feature.

Not available

Not available

Battery life by mode (claimed)iOne manufacturer or published product claim per documented connection, polling rate and lighting condition. Omit unstated conditions. Source notes identify performance, switch and haptic modes and whether runtime is up to a value.

AEndgame Gear OP1 8k v2

Not available

BRazer Viper V4 Pro

Connection	Polling rate (Hz)	Claimed runtime (h)
2.4 GHz	1,000	180
2.4 GHz	8,000	45

Source7Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026Normal public View All Specifications dialog: up to 180 hours at 1000 Hz and 45 hours at 8000 Hz.

Battery life (up to)iManufacturer estimate of days of normal use between full charges. This includes periods when the mouse is idle. It is not continuous runtime. Source notes preserve usage conditions and qualifiers when published. Do not convert this estimate to continuous hours.

Not available

Not available

Battery life (normal use)iManufacturer estimate of calendar months of normal use between charges or battery replacements. It is not continuous runtime. Source notes retain approximate, up-to, or-more and operating-mode qualifiers. Do not convert this estimate to continuous hours.

Not available

Not available

Longest battery life

Not available

180h=CalculatedFrom Battery life by mode (claimed)

Battery life at 1000 HziLongest stored claim explicitly at 1000 Hz over 2.4 GHz. A claim without a confirmed polling rate is excluded.

Not available

180h=CalculatedFrom Battery life by mode (claimed)

Battery life on Bluetooth

Not available

Not available

Charging port

Not available

USB-C3Retailer pageamazon.com/dp/B0GMLBSSTDRead 30 September 2026USB-C charging5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 2–6, charging and Wired Mode: charging through the USB-C mouse port.

Full charge timeiClaimed time from empty to full charge, in minutes. Approximation and charging setup are stated in source notes.

Not available

240min5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide p 5: about 4 hours from completely depleted battery. Approximate claim converted exactly to minutes.

Quick charge

Not available

Not available

Use while chargingiMouse input works while the internal battery charges through the documented wired or dock arrangement.

Not available

Yes5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide pp 5–6: USB charging connection and Wired Mode use same included Type-A-to-C cable.

Charging system compatibilityiNamed wireless charging pad or contact dock. Source notes distinguish inductive pads from pogo-pin contact charging.

Not available

Not available

Charging dock included

Not available

Not available

Battery indicator

Not available

LED1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026LED on the dongle shows battery level5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed p 7 DPI and indicator chart: configurable dongle DPI and battery LED indicators. Status LED colours are not decorative RGB.

Lighting

0 of 4 differ

Decorative RGB lightingiUser-configurable decorative lighting. A multicolour status, DPI or battery indicator alone is not decorative RGB.

No2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Lighting/RGB row explicitly No. Colored CPI indicator is status lighting, not decorative RGB.

No6Maker product pagemysupport.razer.com/app/answers/detail/a_id/20775Read 30 September 2026Normal public Specs tab: RGB Lighting None.7Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: RGB None.

Decorative lighting zonesiNumber of independently controlled decorative lighting zones. Status indicator LEDs are excluded.

Not available

Not available

Lighting sync

Not available

Not available

DPI indicator

LED3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Quick Start Guide layout diagram.

LED5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide p 7: DPI stages indicated by mouse LED colours. Dongle indicators can also be configured for DPI.

Software

4 of 9 differ

Software

Endgame Gear OP1 8k v2 Configuration Tool8Maker product pageendgamegear.com/pages/op1-8k-v2-downloadsRead 8 October 2026Public exact model download page labels Configuration Tool V1.07 (Windows) and Firmware Updater V1.10 (Windows). Page HTML read only. No EULA checkbox accepted and no software installed or used. Manual uses independently public authorized-distributor source.

Razer Synapse1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026

Configuration software platformsiPlatforms explicitly supported for configuring this exact model. Basic input compatibility and availability of a generic app on another platform do not establish model support.

Windows8Maker product pageendgamegear.com/pages/op1-8k-v2-downloadsRead 8 October 2026Same download page lists the Configuration Tool and the Firmware Updater for Windows only.

Windows, macOS, Web2Press releaserazer.com/newsroom/product-news/viper-v4-pro-gigantus-v2-proRead 30 September 2026Razer Synapse Web for browser tuning without installing software3Retailer pageamazon.com/dp/B0GMLBSSTDRead 30 September 2026Razer Synapse 4 compatible on PC and Mac5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide p 4: Windows 11 or later, macOS 15 or later on Apple Silicon M-series. Synapse Web announced separately.

Onboard memoryiDocumented settings remain available without configuration software running. Which settings persist is stated in source notes.

Yes9Retailer pagemicrocenter.com/product/700318/endgame-gear-op1-8k-v2-gmg-mse-blkRead 8 October 2026Exact Black GTIN 4251442513139. Mouse Features explicitly On-board Memory. Which settings persist and distinct profile maximum are not published and not inferred.

Yes1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20267Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Onboard Memory Profiles 1.

Onboard profilesiMaximum distinct hardware-stored profiles. Software game profiles and factory preset profiles do not establish this maximum.

Not available

11Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026One onboard profile7Maker product pagerazer.com/gaming-mice/razer-viper-v4-pro/RZ01-05630100-R3U1Read 30 September 2026View All Specifications dialog: Onboard Memory Profiles 1.

Macros

Not available

Yes1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 20266 programmable controls, from essential commands to complex macros

Macros stored onboardiMacros themselves execute from mouse memory without the configuration app. Onboard DPI or button assignments alone do not prove onboard macros.

Not available

Not available

Button remapping

Yes5Reviewrtings.com/mouse/reviews/endgame-gear/op1-8k-v2Read 8 October 2026Public Work/MMO prose explicitly buttons reprogrammable. Exact Black tested sample. Count of remappable physical inputs is not inferred from fully-programmable general wording.

Yes1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026

Per-app profiles

Not available

Not available

User firmware updatesiA public user-accessible updater or documented software firmware-update procedure exists for this exact model.

Yes8Maker product pageendgamegear.com/pages/op1-8k-v2-downloadsRead 8 October 2026Same download page lists Firmware Updater V1.10 (Windows).

Yes6Maker product pagemysupport.razer.com/app/answers/detail/a_id/20775Read 30 September 2026Official Drivers & Downloads list Viper V4 Pro firmware updater v 1.04.01_r 1, 23 June 2026.

In the box

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In the boxiDocumented contents of the specified colour or bundle. Installed parts and optional extras are distinguished in source notes.

OP1 8k v2 mouse with fixed Flex Cord 5.0 cable, Spare large PTFE skate set, Optional sensor skate, Left and right side grip tape, Phillips screwdriver, Quick Start Guide3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Box illustration shows mouse/cable, side grips, screwdriver and three-piece large/sensor skate alternatives. No Universal Switch Pack. Official distributor contents also names cable tie, but US package scope is not proven and it is not imported.

Razer Viper V4 Pro, Razer HyperSpeed Wireless Gen-2 dongle, USB Type A to Type C cable, Razer Mouse Grip Tape, Important product information guide5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Master Guide pp 2–3, What’s Inside. Includes previously omitted information guide.

Cables included

AEndgame Gear OP1 8k v2

Type	Cable count
Fixed Flex Cord 5.0 USB-A data cable, 1.8 m	1

Source3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Quick Start Guide box illustration.

BRazer Viper V4 Pro

Type	Cable count
USB Type A to USB Type C	1

Source3Retailer pageamazon.com/dp/B0GMLBSSTDRead 30 September 20265Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 2–6, charging and Wired Mode: one detachable USB Type A-to-C cable.

Extra skates includediAn extra usable skate set is supplied separately from installed skates, including an alternative dot set. Factory protective film is not a spare skate.

Yes2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Small skates installed. Additional large set and sensor skate included. Sensor skate is optional, not counted as installed.

Not available

Grip tape

Yes3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Quick Start Guide box illustration.

Yes3Retailer pageamazon.com/dp/B0GMLBSSTDRead 30 September 20265Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Printed pp 2–3, What’s Inside: Razer Mouse Grip Tape included.

Links

Not compared

Product page

endgamegear.com/products/op1-8k-v2-wired-gaming-mouse1Maker product pageendgamegear.com/products/op1-8k-v2-wired-gaming-mouseRead 8 October 2026Current US product page for the standard OP1 8k v2 Black. The Raw Input Edition is separate and excluded.

www.razer.com/gaming-mice/razer-viper-v4-pro1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026

Spec sheet

www.endgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.html2Maker product pageendgamegear.eu/es-es/op1-8k-v2-ratn-gaming-negro/EGG-OP1-8K-V2-BLK.htmlRead 8 October 2026Exact current manufacturer standard Black EGG-OP1-8K-V2-BLK page. Feature sections and Especificaciones table. Current EU table resolves stale US technical rows.

Not available

Manual

archisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdf3Owner's manualarchisite.co.jp/wp-content/uploads/2025/09/OP1-8k_v2-Manual-JP-A4.pdfRead 8 October 2026Official distributor exact OP1 8k v2 Quick Start Guide. Single page inspected visually. Complete layout, box illustration and disassembly diagram.

dl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdf5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/VIPERV4PRO-00000229-en.pdfRead 30 September 2026Official support User Guides -> English link. Exact maker 34-page Master Guide, read as a public PDF.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year10Maker product pageendgamegear.com/pages/limited-warrantyRead 8 October 2026Maker US warranty applies every product purchased directly or from an authorized US seller for one year from delivery. Exact Black US reference. Different regional two-year retail policies not applied.

2years1Maker product pagerazer.com/gaming-mice/razer-viper-v4-proRead 30 September 2026US page: 'Get up to 2 years of warranty'

Both are also in the API. Back to all mice.