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ASUS ROG Keris II Ace vs Razer Viper V2 Pro

A

Product A: ASUS

ROG Keris II Ace

116 of 154 known

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B

Product B: Razer

Viper V2 Pro

92 of 154 known

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Every value links to where we found it.

Only differences

AASUS ROG Keris II Ace

BRazer Viper V2 Pro

General

5 of 9 differ

Series

ROG Keris1Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-aceRead 23 October 2026

Razer Viper1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Product name Viper V2 Pro in the Razer Viper line

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

P714, 90MP03N0-BMUA00, 90MP03N0-BMUA103Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Page 1 model P714. Color SKU numbers come from the separately cited datasheets.9Retailer pageasset.conrad.com/media10/add/160267/c1/-/de/909019797DS00/list-technickych-udaju-3203118-asus-rog-keris-ii-wl-ace-opticka-herni-mys-prenos-bluetooth-7-tlacitko-42000-dpi-cerna.pdfRead 23 October 2026Retailer PDF identifies Black as 90MP03N0-BMUA00.10Maker spec sheet (PDF)littlebit-tech.nl/media/productattach/a/s/asu_l1129345_1.pdfRead 23 October 2026ASUS-branded white datasheet identifies 90MP03N0-BMUA10.

RZ01-04390100-R3U1, RZ01-04390100-R3G11Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026US store SKU for the Black model. The page code RZ01-04390100-R3U1 is in the page product data11Spec databasemanua.ls/razer/viper-v2-pro/specificationsRead 10 October 2026Aggregator listing: Viper V2 Pro, RZ01-04390100-R3G1, black

GTIN / EAN

4711387394571, 47113873946189Retailer pageasset.conrad.com/media10/add/160267/c1/-/de/909019797DS00/list-technickych-udaju-3203118-asus-rog-keris-ii-wl-ace-opticka-herni-mys-prenos-bluetooth-7-tlacitko-42000-dpi-cerna.pdfRead 23 October 2026Black EAN 4711387394571. White EAN is separately sourced.10Maker spec sheet (PDF)littlebit-tech.nl/media/productattach/a/s/asu_l1129345_1.pdfRead 23 October 2026White EAN 4711387394618.

888641933386911Spec databasemanua.ls/razer/viper-v2-pro/specificationsRead 10 October 2026Aggregator listing: EAN 8886419333869 for RZ01-04390100-R3G1

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

9 January 20244Press releasepress.asus.com/news/press-releases/asus-rog-gaming-peripherals-ces-2024Read 23 October 2026CES 2024 introduction. Distinct from April retail availability.

10 May 20223Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026

Status

Available1Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-aceRead 23 October 2026Current maker store link offers the product.

Available1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026The page product data shows the item as purchasable and in stock

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

Not available

Not available

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

Razer Viper V3 Pro12Reviewprosettings.net/blog/the-rise-of-the-razer-viper-v3-proRead 23 October 2026ProSettings names the Viper V2 Pro as the predecessor of the Viper V3 Pro.13Press articledexerto.com/tech/razer-viper-v3-pro-review-2661364Read 23 October 2026Dexerto's review compares the Viper V3 Pro with its predecessor, the Viper V2 Pro.

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

$159.996Reviewtomshardware.com/peripherals/gaming-mice/asus-rog-keris-ii-ace-reviewRead 23 October 2026US MSRP explicitly identified in review specification table.

$149.993Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026$149.99 USD / 159.99 EUR MSRP

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.

€179.997Press article4news.it/asus-il-nuovo-mouse-ultra-leggero-rog-keris-ii-aceRead 23 October 202627 May 2024 Italian launch report calls 179.99 EUR the recommended price. VAT treatment unstated. German maker page checked but no launch price found.

€159.993Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026159.99 EUR MSRP. Tax treatment not stated

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

Not available

Not available

ColoursiThe maker's own colour names

Black, Moonlight White1Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-aceRead 23 October 2026

Black, White3Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026Available in both black and white colors

Segment

Gaming1Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-aceRead 23 October 2026

Gaming1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026

Mouse type

Standard1Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-aceRead 23 October 2026Conventional mouse in maker gallery.

Standard8Measurementrtings.com/mouse/reviews/razer/viper-v2-proRead 10 October 2026Type: Standard

Shape

5 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.

Asymmetric, right-handed2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Symmetrical body1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs form factor: Right-handed Symmetrical. Side buttons are on the left only8Measurementrtings.com/mouse/reviews/razer/viper-v2-proRead 10 October 2026Ambidextrous: Shape Only. Symmetrical shell

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.

Palm, Claw, Fingertip2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Not available

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.

Centre12Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/3.htmlRead 23 October 2026Shape section describes centered hump.

Not available

Thumb rest

No13Spec databaseeloshapes.com/mouse/compareRead 23 October 2026Exact model table: no thumb rest.

Not available

Ring or pinky finger rest

Yes14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026Extended side ledge section explicitly provides room to rest the ring finger. Maker wins over EloShapes no-rest classification.

Not available

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

Solid11Reviewtechpowerup.com/review/asus-rog-keris-ii-aceRead 23 October 2026Solid shell without holes or open bottom.

Solid7Reviewlanoc.org/review/input-devices/razer-viper-v2-proRead 10 October 2026Review says the shell is not riddled with holes

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

5 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.

Length121Maximum width67Maximum height42mm(4.8 × 2.6 × 1.7 in)2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Length126.5Maximum width66.2Maximum height37.8mm(5 × 2.6 × 1.5 in)1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs Size: Length 126.5 mm, Width 66.2 mm, Height 37.8 mm. Tom's Hardware lists the same three values. The launch table and a LanOC copy of it say length 126.7 mm4Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026Spec table: 126.5 x 66.2 x 37.8 mm

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

60mm12Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/3.htmlRead 23 October 2026Reviewer caliper measurement: narrowest grip width 6.00 cm. Exact unit conversion. Measured sample, not maker body maximum.

57.6mm7Reviewlanoc.org/review/input-devices/razer-viper-v2-proRead 10 October 2026Copy of the launch spec table: Grip Width 57.6 mm. Razer's current page lists Width 66.2 mm, which is the full body width

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.

54g(1.9 oz)2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026Without cable and dongle. Both maker color configurations have the same stated weight.

58g(2 oz)1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs Weight: 58 g4Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026Spec table: 58 g, excluding wireless dongle

Box dimensions

Not available

Width115Height176Depth65mm(4.5 × 6.9 × 2.6 in)11Spec databasemanua.ls/razer/viper-v2-pro/specificationsRead 10 October 2026Aggregator packaging data for R3G1: package width 115 mm, height 176 mm, depth 65 mm

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

Not available

293g(10.3 oz)11Spec databasemanua.ls/razer/viper-v2-pro/specificationsRead 10 October 2026Aggregator packaging data for R3G1: package weight 293 g. The same listing shows a product weight of 89 g, which differs from the maker's 58 g and is not used

Sensor

12 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.

ROG AimPoint Pro2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Focus Pro 30K Optical Sensor1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 20264Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026

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.

ASUS2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Razer1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026

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.

PAW395015Spec databasenookyyy.com/en/reviews/mouse/asus-rog/keris-ii-aceRead 23 October 2026Exact model database identifies PixArt PAW3950 under the ROG AimPoint Pro branding.

PAW395010Spec databasenookyyy.com/en/reviews/mouse/razer/viper-v2-proRead 10 October 2026Independent mouse database: sensor PixArt PAW3950 (Razer Focus Pro). Razer publishes only the Focus Pro 30K name

Sensor type

Optical2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Optical1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026

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.

42,000DPI2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

30,000DPI1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs: 30000

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

100DPI3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Page 1 specification range: 100 to 42000 DPI.

50DPI6Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Spec table: DPI 50-30000, in steps of 50

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

Not available

50DPI6Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Spec table: steps of 50

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

43Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Four customizable sensitivity stages. Factory default active stage is 1600 DPI.

52Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026Page: toggles between 5 DPI stages without software

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

400, 800, 1,600, 3,200DPI3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026

400, 800, 1,600, 3,200, 6,400DPI2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026FAQ: factory DPI stages are 400, 800, 1600 (default), 3200 and 6400

Separate X and Y DPI

Not available

Yes4Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026Synapse performance tab lets you change each setting's X and Y axis

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 pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

750IPS1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs Max Speed: 750

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 pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

70G1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs Max Acceleration: 70

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.

Not available

Not available

Separate lift and landing distance

Not available

Yes2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026Asymmetric Cut-off sets lift-off and landing distance separately, 26 height levels3Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026

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

Yes14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026Exact Armoury Crate Gear description includes surface calibration.

Yes2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026Smart Tracking auto-calibrates across surfaces

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

Yes16Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/5.htmlRead 23 October 2026Firmware 3.00.15/6.00.19/2.00.09: permanently enabled at ordinary rates. Page 6 observes it disabled at 8000 Hz wired.

Yes2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 20263Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026

Angle snapping

Toggleable17Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/7.htmlRead 23 October 2026Software performance tab has on/off control.

Not available

Ripple control

Not available

Not available

Tracks on glass

Yes14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026AimPoint Pro track-on-glass capability. No minimum glass thickness stated.

Yes2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026Page says it tracks on glass at least 4 mm thick

Sensor position

Centred13Spec databaseeloshapes.com/mouse/compareRead 23 October 2026Centered, 53 percent in exact-model table.

Not available

Performance

3 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.

AASUS ROG Keris II Ace

Data connection	Polling rate (Hz)	Receiver requirement
USB (wired)	125	Not available
USB (wired)	250	Not available
USB (wired)	500	Not available
USB (wired)	1,000	Not available
USB (wired)	2,000	Included ROG Polling Rate Booster in wired connection
USB (wired)	4,000	Included ROG Polling Rate Booster in wired connection
USB (wired)	8,000	Included ROG Polling Rate Booster in wired connection
2.4 GHz	125	Included ROG Omni Receiver
2.4 GHz	250	Included ROG Omni Receiver
2.4 GHz	500	Included ROG Omni Receiver
2.4 GHz	1,000	Included ROG Omni Receiver
2.4 GHz	2,000	Included ROG Omni Receiver with ROG Polling Rate Booster
2.4 GHz	4,000	Included ROG Omni Receiver with ROG Polling Rate Booster
2.4 GHz	8,000	Included ROG Omni Receiver with ROG Polling Rate Booster and firmware 3.00.17 or later
Bluetooth	125	Not available
Bluetooth	250	Not available

Source3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Page 1 lists 125/250/500/1000/2000/4000/8000 settings. Bluetooth permits 125/250 only. Original 4K wireless ceiling is superseded by maker firmware update. Booster requirements and connection ceilings are corroborated separately.18Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/6.htmlRead 23 October 2026Older tested firmware supports wired 125 to 8000 Hz and wireless 125 to 4000 Hz with Booster. Without Booster, tested rates are 125/250/500/1000. No intermediate rates inferred from a ceiling.19Maker product pagerog-forum.asus.com/t5/technologies-explained/wireless-8k-polling-rate-coming-to-rog-peripherals/ba-p/1042041Read 23 October 2026Current official admin list names Keris II Ace FW 3.00.17 for 8K wireless. ROG Polling Rate Booster required. US page still lists original 4K wireless ceiling.

BRazer Viper V2 Pro

Data connection	Polling rate (Hz)	Receiver requirement
2.4 GHz	125	Included HyperSpeed wireless dongle
2.4 GHz	250	Included HyperSpeed wireless dongle
2.4 GHz	500	Included HyperSpeed wireless dongle
2.4 GHz	1,000	Included HyperSpeed wireless dongle
2.4 GHz	4,000	HyperPolling Wireless Dongle (sold separately)
2.4 GHz	8,000	HyperPolling Wireless Dongle (sold separately)

Source1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026The 8000 Hz row is from the FAQ on the main product page. See that source2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026FAQ: the HyperPolling Wireless Dongle, sold separately, enables a true 8000 Hz wireless polling rate. The 4000 Hz row is from ProSettings4Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026Spec table: Polling rate 1000 (at default)6Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Spec table: 125 / 250 / 500 / 1000 / 4000 Hz. 4000 Hz needs the separate HyperPolling dongle

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

Not available

Polling rate (2.4 GHz)

8,000Hz=CalculatedFrom Documented polling rates by connection

8,000Hz=CalculatedFrom Documented polling rates by connection

Polling rate (Bluetooth)

250Hz=CalculatedFrom Documented polling rates by connection

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.

Not available

Not available

Adjustable debounce

No15Spec databasenookyyy.com/en/reviews/mouse/asus-rog/keris-ii-aceRead 23 October 2026

No10Spec databasenookyyy.com/en/reviews/mouse/razer/viper-v2-proRead 10 October 2026Database: debounce 0 ms and not adjustable. Razer states no debounce delay

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

0ms15Spec databasenookyyy.com/en/reviews/mouse/asus-rog/keris-ii-aceRead 23 October 2026Database explicitly states 0 ms and not adjustable. This is not its click-latency figure.

0ms3Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026Gen-3 switches have zero double-clicking issues and no debounce delay

Measured

3 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.

AASUS ROG Keris II Ace

Connection	Polling rate (Hz)	Test settings	Click latency (ms)
USB (wired)	125	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.25
USB (wired)	250	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.25
USB (wired)	500	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.25
USB (wired)	1,000	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.25
USB (wired)	2,000	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.35
USB (wired)	4,000	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.35
USB (wired)	8,000	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.35
2.4 GHz	1,000	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.49
2.4 GHz	2,000	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.49
2.4 GHz	4,000	ROG Polling Rate Booster. Mouse 3.00.15, dongle 6.00.19, booster 2.00.09. No sensor movement.	0.49

Source16Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/5.htmlRead 23 October 2026NVIDIA LDAT measures left-switch electrical activation to OS button-down. Detailed means 0.25/0.35/0.49 ms, rounded to 0.3/0.4/0.5 in text. Standard deviations 0.01/0.05/0.05 ms. Booster used for all rows. No motion. DPI, OS, sample count and debounce settings unstated. Older firmware, before 8K wireless update.

BRazer Viper V2 Pro

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.

0%16Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/5.htmlRead 23 October 2026Zero at 400/800/1600/3200 CPI. Firmware 3.00.15/6.00.19/2.00.09. Speed, surface, travel distance and exact connection not stated. Unit-specific result.

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.

54g(1.9 oz)20Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/2.htmlRead 23 October 2026Reviewer scale: around 54 g, tolerance plus or minus 1 g. Black sample, battery installed and stock skates. Cable and receiver excluded. Scale model and battery charge unstated.

58.5g(2.1 oz)8Measurementrtings.com/mouse/reviews/razer/viper-v2-proRead 10 October 2026Default Weight 58.5 g. Only the public summary values are used. The detailed test results are for members

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

8 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.

Optical2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Optical1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Razer Optical Mouse Switches Gen-3. Optical switches

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

ASUS2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Razer1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026

Main switch model

ROG 100M Optical Micro Switch2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Razer Optical Mouse Switches Gen-31Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026

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.

100million2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

90million1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs Switch Lifecycle: 90-million Clicks3Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026

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

No13Spec databaseeloshapes.com/mouse/compareRead 23 October 2026Exact model table: no hot-swap switches.

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

Yes21Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/4.htmlRead 23 October 2026Main plates visibly separate from shell.

Not available

Side switch model

Kailh surface-mounted switch (green plunger)21Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/4.htmlRead 23 October 2026Descriptive identification only. No exact Kailh part number published.

Not available

Middle click switch

Not available

Not available

Scroll encoder type

Mechanical21Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/4.htmlRead 23 October 2026

Not available

Scroll encoder

TTC Gold (14 mm)21Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/4.htmlRead 23 October 2026TTC yellow or Gold encoder, height 14 mm.

Not available

Buttons and scroll wheel

5 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.

73Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Five main/side/wheel-click inputs plus bottom DPI and pairing pushbuttons. Connection slider excluded.

64Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026Review text lists left and right click, scroll wheel, two left side buttons and a bottom button. Synapse shows seven buttons with HyperShift5Reviewtomsguide.com/reviews/razer-viper-v2-proRead 10 October 2026Left and right click buttons, scroll wheel, two thumb buttons on the left side and one bottom button

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

56Reviewtomshardware.com/peripherals/gaming-mice/asus-rog-keris-ii-ace-reviewRead 23 October 2026Five physical controls in full Armoury Crate. Scroll up/down are excluded. Crate Gear review excludes the left input, so app choice affects remapping.

61Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs: 6. The launch spec table copied by LanOC said 5

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.

23Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026

25Reviewtomsguide.com/reviews/razer-viper-v2-proRead 10 October 2026Two thumb buttons on the left side

Side buttons on

Left3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026

Left5Reviewtomsguide.com/reviews/razer-viper-v2-proRead 10 October 20266Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Side buttons on the right were removed

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

Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026

Yes2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 20264Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026

DPI button position

Bottom3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026

Bottom2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026FAQ: a button at the bottom is held 3 seconds to toggle power and pressed to cycle DPI5Reviewtomsguide.com/reviews/razer-viper-v2-proRead 10 October 2026A button on the bottom turns the mouse off and changes the DPI

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

No3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Profile switching uses a button combination, not a dedicated profile input.

No9Owner's manualmanualslib.com/manual/2584488/Razer-Viper-V2-Pro.htmlRead 10 October 2026Maker master manual (Razer Viper V2 Pro) as hosted on ManualsLib, What's Inside page 4. It labels left and right button, scroll wheel, power/DPI cycle button, status indicator, USB-C port, buttons 4 and 5. None is a profile button

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 manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Complete control diagram has no dedicated DPI-shift input.

No9Owner's manualmanualslib.com/manual/2584488/Razer-Viper-V2-Pro.htmlRead 10 October 2026What's Inside labels every control. None is a dedicated DPI-shift button. Synapse can assign a Sensitivity Clutch action to a remappable button

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

No3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Complete control diagram has no dedicated gesture input.

No9Owner's manualmanualslib.com/manual/2584488/Razer-Viper-V2-Pro.htmlRead 10 October 2026What's Inside labels every control. None is a dedicated gesture button

Scroll wheel

Notched22Reviewrtings.com/mouse/reviews/asus/rog-keris-ii-aceRead 23 October 2026Public verdict says no free-scrolling or left/right tilt.

Notched6Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Tactile wheel with audible steps

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

None22Reviewrtings.com/mouse/reviews/asus/rog-keris-ii-aceRead 23 October 2026Public verdict explicitly says wheel lacks free-scroll mode.

Not available

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

No13Spec databaseeloshapes.com/mouse/compareRead 23 October 2026Exact table explicitly says no separate thumb wheel.

Not available

Scroll wheel material

Rubber6Reviewtomshardware.com/peripherals/gaming-mice/asus-rog-keris-ii-ace-reviewRead 23 October 2026Textured rubber wheel.

Not available

Build

3 of 6 differ

Shell material

Other, PBT4Press releasepress.asus.com/news/press-releases/asus-rog-gaming-peripherals-ces-2024Read 23 October 2026Bio-based nylon main shell. PBT main-button surfaces are identified on the product page. No nylon enum exists.14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026Bio-based nylon shell with PBT left/right button surfaces.

Not available

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

Matte15Spec databasenookyyy.com/en/reviews/mouse/asus-rog/keris-ii-aceRead 23 October 2026Exact database entry covers black and white and labels finish matt.21Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/4.htmlRead 23 October 2026Exact review describes rougher matte surface. Maker textured PBT buttons are a component-level finish.

Matte6Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Matte coating, slightly grainier than the Viper Ultimate

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.

Virgin PTFE20Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/2.htmlRead 23 October 2026Review explicitly says pure PTFE. Maker says 100 percent PTFE.

PTFE1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs Mouse Feet: 100% PTFE

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

520Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/2.htmlRead 23 October 2026Factory photo shows four small pads and a separate sensor-ring skate. Count includes the ring.

46Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Four mouse skates, sensor ring included

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

Mixed20Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/2.htmlRead 23 October 2026Four pads plus sensor ring. Larger replacement pads are not counted.

Mixed6Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Pads plus a ring around the sensor, stored as mixed

Feet thickness

Not available

Not available

Cable

2 of 5 differ

Cable

Paracord2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026Maker names ROG Paracord.

Not available

Cable length

2m2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

1.8m10Spec databasenookyyy.com/en/reviews/mouse/razer/viper-v2-proRead 10 October 2026Database: Razer Speedflex cable, 1.8 m

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

Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Wired connection uses detachable Type-C to Type-A cable.

Yes4Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026The USB-C to USB-A cable in the package charges the mouse and works for wired use

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.

USB-C3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026

USB-C1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Page text: upgraded to Type-C charging

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

USB-A3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026

USB-A1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Cable is USB Type A to USB Type C. The A end plugs into the host

Connectivity

7 of 13 differ

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

USB (wired), 2.4 GHz, Bluetooth2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

USB (wired), 2.4 GHz1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs Connectivity: Razer HyperSpeed Wireless and Wired4Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026

Wireless technology

ROG SpeedNova1Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-aceRead 23 October 2026

Razer HyperSpeed Wireless1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026

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.

5.12Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

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.

31Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-aceRead 23 October 2026

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.

422Reviewrtings.com/mouse/reviews/asus/rog-keris-ii-aceRead 23 October 2026Public verdict explicitly says up to four devices via Bluetooth and USB receiver.

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.

USB-A20Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/2.htmlRead 23 October 2026Included small USB-A dongle.

USB-A4Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026Review: connects wirelessly via its 2.4 GHz USB-A dongle

Receiver storage in mouse

Yes20Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/2.htmlRead 23 October 2026Open storage recess on underside.

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.

Yes20Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/2.htmlRead 23 October 2026Supplied cabled extension adapter has a metal mousepad clip.

Yes1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Box Contents: Wireless USB dongle + USB dongle adapter3Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 20262.4GHz HyperSpeed USB dongle extender comes in the box6Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026

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.

Yes1Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-aceRead 23 October 2026ROG Omni Receiver supports simultaneous pairing of compatible mouse and keyboard. Not multi-host switching by itself.

Yes2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026Page: HyperSpeed Wireless features multi-device support9Owner's manualmanualslib.com/manual/2584488/Razer-Viper-V2-Pro.htmlRead 10 October 2026Page 16: pair an additional HyperSpeed-compatible device with the wireless USB dongle of the Viper V2 Pro

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, macOS2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026Windows 10 and Windows 11. Basic Mac support is separately sourced.22Reviewrtings.com/mouse/reviews/asus/rog-keris-ii-aceRead 23 October 2026Public verdict says some Mac functions need prior Windows configuration. Basic input is supported with limitations.

Not available

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

Not available

Not available

Battery

7 of 17 differ

Battery type

Li-ion2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Not available

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.

300mAh17Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/7.htmlRead 23 October 2026Reviewer identifies 300 mAh, 3.7 V battery with 3-pin JST connector.

300mAh10Spec databasenookyyy.com/en/reviews/mouse/razer/viper-v2-proRead 10 October 2026Database: 300 mAh. The Razer pages and manual do not state a capacity

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.

AASUS ROG Keris II Ace

Connection	Lighting during claim	Claimed runtime (h)
2.4 GHz	Off	107
2.4 GHz	On	67
Bluetooth	Off	134
Bluetooth	On	89

Source14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026Footnotes give wireless runtime with lighting off or default lighting on. Polling rate and duty cycle unstated. Reviewer assumption of 1000 Hz is not adopted.

BRazer Viper V2 Pro

Connection	Polling rate (Hz)	Claimed runtime (h)
2.4 GHz	1,000	90
2.4 GHz	8,000	17

Source1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs: Up to 90 hours at 1000 Hz and up to 17 hours at 8000 Hz. The 8000 Hz figure needs the separate HyperPolling Wireless Dongle. At launch Razer said 80 hours at constant motion at 1000 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

134h=CalculatedFrom Battery life by mode (claimed)

90h=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

90h=CalculatedFrom Battery life by mode (claimed)

Battery life on Bluetooth

134h=CalculatedFrom Battery life by mode (claimed)

Not available

Charging port

USB-C2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

USB-C1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 20263Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026

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

Not available

240min9Owner's manualmanualslib.com/manual/2584488/Razer-Viper-V2-Pro.htmlRead 10 October 2026Setup section: a depleted battery takes about 4 hours to fully charge

Quick charge

Not available

Not available

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

Yes20Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/2.htmlRead 23 October 2026Cable section explicitly describes playing while charging.

Yes6Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Review: the USB-C charging cable can be used while playing if you forgot to charge the mouse

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

No14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026Complete maker box list has no charging dock. Polling Booster is a data accessory.

No1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs Accessory Compatibility: None. The box contents list has no dock

Battery indicator

LED, Software17Reviewtechpowerup.com/review/asus-rog-keris-ii-ace/7.htmlRead 23 October 2026Software percentage indicator and configurable low-battery warning. Maker also allows battery-status wheel lighting.

LED4Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026LED below the wheel blinks red twice when the battery is under 5 percent, then pulses orange, yellow and static green when charged

Lighting

3 of 4 differ

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

Yes2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

No1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Tech Specs RGB Lighting: None

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

16Reviewtomshardware.com/peripherals/gaming-mice/asus-rog-keris-ii-ace-reviewRead 23 October 2026One decorative RGB zone in scroll wheel.

Not available

Lighting sync

ASUS Aura Sync2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Not available

DPI indicator

LED3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026DPI-on-the-scroll instructions use LED color to indicate adjustment.

LED4Reviewtomshardware.com/reviews/razer-viper-v2-proRead 10 October 2026The same LED changes colour per DPI stage: red 400, green 800, blue 1600, cyan 3200, yellow 6400

Software

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Software

Armoury Crate / Armoury Crate Gear14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026

Razer Synapse2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026FAQ: remapping and macros need Razer Synapse 3

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.

Windows14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026Exact-model Gear and Armoury Crate use Windows.

Not available

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

Yes14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026

Yes1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026

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

53Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Page 1 profile-switching table cycles five hardware profiles.

11Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 20262Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026FAQ: one onboard profile that follows the last Synapse profile

Macros

Yes6Reviewtomshardware.com/peripherals/gaming-mice/asus-rog-keris-ii-ace-reviewRead 23 October 2026Armoury Crate macro recorder. Requires software.

Yes2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026

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

No14Maker product pagerog.asus.com/mice-mouse-pads/mice/wireless/rog-keris-ii-aceRead 23 October 2026Maker footnote explicitly excludes onboard macros and Windows shortcuts.

Not available

Button remapping

Yes6Reviewtomshardware.com/peripherals/gaming-mice/asus-rog-keris-ii-ace-reviewRead 23 October 2026

Yes2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026

Per-app profiles

Yes6Reviewtomshardware.com/peripherals/gaming-mice/asus-rog-keris-ii-ace-reviewRead 23 October 2026Scenario profiles activate with named games or apps.

Yes9Owner's manualmanualslib.com/manual/2584488/Razer-Viper-V2-Pro.htmlRead 10 October 2026Profiles tab: manage profiles and link them to your games and applications

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

Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026English instructions update mouse and dongle firmware through Armoury Crate.

Yes2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026FAQ: for the 8000 Hz HyperPolling dongle, make sure the mouse uses the latest firmware, with a link to the firmware download

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.

ROG Keris II Ace mouse, ROG Polling Rate Booster, Wireless receiver, USB dongle extender, Mouse grip tape set, Two replacement mouse feet, 2-meter ROG Paracord, Warranty booklet, Quick Start Guide, ROG sticker, Thank you card2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026Maker complete list. Replacement feet are supplied separately from installed skates. Reviewer sample also had a pouch, which is excluded from the base maker bundle.

Razer Viper V2 Pro, Wireless USB dongle + USB dongle adapter, USB Type A to USB Type C Charging Cable, Razer Mouse Grip Tape, Important Product Information Guide1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026

Cables included

AASUS ROG Keris II Ace

Type	Cable count
USB-A to USB-C ROG Paracord	1

Source2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

BRazer Viper V2 Pro

Type	Cable count
USB Type A to USB Type C Charging Cable	1

Source1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026Box Contents: USB Type A to USB Type C Charging 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 pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

No6Reviewprosettings.net/reviews/razer-viper-v2-proRead 10 October 2026Review says no replacement feet are included

Grip tape

Yes2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

Yes1Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 20263Press releaserazer.com/newsroom/product-news/the-weight-is-over-razer-unveils-the-viper-v2-proRead 10 October 2026Grip tapes pre-cut to the mouse shape come in the box

Links

Not compared

Product page

rog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace1Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-aceRead 23 October 2026

www.razer.com/gaming-mice/razer-viper-v2-pro2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026

Spec sheet

rog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/spec2Maker product pagerog.asus.com/us/mice-mouse-pads/mice/ergonomic-right-handed/rog-keris-ii-ace/specRead 23 October 2026

www.razer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U11Maker product pagerazer.com/gaming-mice/razer-viper-v2-pro/RZ01-04390100-R3U1Read 10 October 2026

Manual

dlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdf3Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Mouse/ROG_Keris_II_Ace/Q23344_P714_ROG_KERIS_II_ACE_QSG_V2_WEB.pdfRead 23 October 2026Q23344, revised edition V2, February 2024. Downloaded from the exact maker support page.

Not available

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.

2years8Maker product pagerog.asus.com/sg/support/faq/1047839Read 23 October 2026Singapore maker warranty FAQ: gaming mice 24 months through named distributors. US B&H lists one year. Region differs.

2years2Maker product pagerazer.com/gaming-mice/razer-viper-v2-proRead 10 October 2026Page says up to 2 years of warranty

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