Keyboards / Compare

Logitech G915 X LIGHTSPEED vs Razer BlackWidow V4

A

Product A: Logitech

G915 X LIGHTSPEED

76 of 164 known

Change Logitech G915 X LIGHTSPEED

Compare the Razer BlackWidow V4 with

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B

Product B: Razer

BlackWidow V4

77 of 164 known

Change Razer BlackWidow V4

Compare the Logitech G915 X LIGHTSPEED with

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All 164 fields

Every value links to where we found it.

Only differences

ALogitech G915 X LIGHTSPEED

BRazer BlackWidow V4

General

5 of 9 differ

Series

G915 X5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026The G915 X Series has a full-size LIGHTSPEED, a LIGHTSPEED TKL and a wired model. The TKL and wired models are separate products

BlackWidow1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

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

YR0069, 920-012696, 920-012704, 920-012670, 920-012685, 920-012697, 920-012705, 920-012671, 920-012706, 920-012672, 920-012673, 920-012707, 920-012674, 920-012708, 920-012675, 920-012677, 920-012679, 920-012698, 920-012709, 920-012676, 920-012686, 920-012687, 920-012688, 920-012689, 920-012690, 920-012682, G915WLX-TCBK, 920-012693, G915WLX-TCWH, 920-012701, G915WLX-LNBK, 920-012712, G915WLX-CKBK1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Part numbers from the US page (4) and the UK page en-gb (20). YR0069 is the keyboard's regulatory model number from the support spec page2Maker product pagelogitechg.com/en-gb/shop/p/g915-x-wireless-mechanical-gaming-keyboardRead 30 September 20263Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"Keyboard YR0069", receiver CU002111Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

RZ03-04690200-R3U1, RZ03-04691Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Reference is exact Black US SKU fitted with Green Gen-3 clicky switches. Yellow-switch, regional and special-edition variants are not inherited.8Regulatory filingdl.razerzone.com/en/compliance/EU%20Declaration%20of%20Conformity%20for%20BlackWidow%20V4%20%28RZ03-0469%29.pdfRead 7 October 2026Official factory model RZ03-0469 explicitly appears with exact US Green sales code RZ03-04690200-R3U1 in declaration. Other regional codes are not mapped to guessed layouts or switches.

GTIN / EAN

097855195166, 097855195029, 097855195005, 0978551949929Retailer pagebhphotovideo.com/c/product/1851732-REG/logitech_g_920_012670_g915_x_lightspeed_low_profile.htmlRead 30 September 2026Exact 920-012670 product page UPC 097855195005. Other original codes appeared in search excerpts but full source was unavailable.10Retailer pageadorama.com/logitech-g915-x-lightspeed-wireless-gaming-keyboard/p/lo920012704Read 30 September 2026Indexed UPC Codes table: black GL Red 097855195166, black GL Blue 097855195029, white GL Brown 097855194992. Black tactile 097855195005 is separately confirmed at B&H. Full Adorama page returned 403 and was not retried.

8402729033536Retailer pagebhphotovideo.com/c/product/1851676-REG/razer_rz03_04690200_r3u1_blackwidow_v4_mechanical_gaming.html/overviewRead 7 October 2026B&H explicitly identifies manufacturer RZ03-04690200-R3U1 and Razer Green Clicky switches, with UPC 840272903353. Maker GTIN not found. Only exact US Green identifier, not Yellow or other regional layouts.

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

17 September 20245Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026Logi Play, Paris and Shanghai, September 17th, 2024

18 July 20235Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 7 October 2026

Status

Available1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026US page shows $259.99 with add to cart. The price was raised after launch, the launch MSRP is in the press release

Available1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Exact RZ03-04690200-R3U1 Green US keyboard is currently orderable from maker. Current sale price is not stored as launch price. Other store recommendations and Pro/75/HyperSpeed stock are excluded.

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

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.

$229.995Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026"The G915 X LIGHTSPEED full-size keyboard (LINEAR, TACTILE & CLICKY) - US MSRP $229.99"

$169.995Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 7 October 2026Maker launch Price and availability section. Exact Black complete keyboard, USD MSRP before sales tax. EUR MSRP omitted because VAT treatment was not confirmed.

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.

US, GB, JP1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Sold on the Logitech G US and UK stores2Maker product pagelogitechg.com/en-gb/shop/p/g915-x-wireless-mechanical-gaming-keyboardRead 30 September 202611Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

ColoursiThe maker's own colour names

Black, White1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 20265Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026"All wireless options are black and white"

Black1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Segment

Gaming1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Listed under Gaming Keyboards

Gaming1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Sold asiParts fitted when sold. A complete keyboard includes switches and keycaps. Barebones includes neither.

Complete1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Sold with GL switches and keycaps fitted, in Linear, Clicky and Tactile styles

Complete1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Layout

6 of 12 differ

Form factoriLayout size or shape. A percentage describes the layout, not the number of keys.

Full size1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 20264Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English setup guide pages 3-5 show the complete full-size keyboard with numeric keypad and nine G keys. It is not the separate TKL model.

Full size1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Layout standardiPhysical key layout standards sold for this model. Regional language names are listed separately.

ANSI, ISO, JIS11Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

ANSI2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026US model reference in complete keyboard layout drawing has rectangular Enter and ANSI left Shift geometry.

Regional layouts

English US (QWERTY), German (QWERTZ), French (AZERTY), Swiss (QWERTZ), Nordic (QWERTY), English UK (QWERTY), Spanish (QWERTY), Italian (QWERTY), English International (QWERTY), Japanese1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Layout names from the US and UK pages, verbatim2Maker product pagelogitechg.com/en-gb/shop/p/g915-x-wireless-mechanical-gaming-keyboardRead 30 September 202611Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Maker selected US layout. Other regional key counts are not transferred.

Keys in regional layoutiPhysical typing and function keys in the stated regional layout. Separate media buttons, macro buttons and rotary controls are excluded. A Touch ID or Lock key in a key row counts, as on Apple keyboards.

Not available

1042Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Counted on the complete US ANSI keyboard layout drawing. Standard full-size US typing/function block has 104 keys. Separate macro keys/buttons, media buttons and rotary controls are excluded.

Key legends for

Not available

Windows2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Complete physical key drawing has Windows legends.

Numpad

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 full-size keyboard diagram includes number pad.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Complete exact-model layout drawing and maker form-factor description.

Function row

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 keyboard features diagram includes F1-F12 function row.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

Dedicated arrow keys

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 keyboard features diagram includes separate arrow cluster.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

Navigation keysiAvailability of Home, End, Page Up and Page Down as dedicated keys or through an Fn layer.

Full4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 diagram shows the full Home, End, Page Up and Page Down navigation cluster.

Full2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 202675% drawing has a compact right-edge navigation column. Full-size drawing has the full six-key navigation block.

Key stagger

Not available

Row-staggered2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Complete exact-model layout drawing shows staggered alphanumeric rows.

Bottom row

Not available

Not available

Low profile

Yes1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

No1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Maker classification identifies Standard Height rather than low-profile construction.

Switches

11 of 25 differ

Switch sensing technologyiKey sensing technology. Hall effect and TMR are different sensor types. A mixed board is identified explicitly. Magnetic switch housing alone does not identify the sensor.

Low-profile mechanical1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Low-profile GL mechanical switches"

Mechanical1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Switch feel

Linear, Tactile, Clicky1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Tactile, Clicky1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Manufacturer selected switch description, Tactile and Quiet for Orange, Tactile and Clicky for Green. Quiet alone is not silently damped.

Switch maker

Logitech1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Product features and press release identify Logitech GL mechanical switch design.

Razer1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Switch models

GL Linear, GL Tactile, GL Clicky1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Maker describes GL mechanical switches in Linear, Tactile, Clicky styles. Retail GL Red/Brown/Blue names are not needed for identity.

Razer Green Clicky Mechanical Switch Gen-34Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker timeline states that Green Clicky and Yellow Linear Mechanical Switches Gen-3 were introduced with the BlackWidow V4 line in 2023. The exact selected US SKU maker page identifies Green switches.

Switch stem

MX cross5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026Maker launch release p. 2 explicitly replaces old hook-style with cross-style stem.

MX cross4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Mechanical Switches Gen-3 comparison lists cross stems with dual side walls, compatible with MX-style keycaps.

Actuation forceiForce at the point where a key registers. Initial spring force is not actuation force. Adjustable switches require a stated actuation setting.

43 to 48gf1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 20262Maker product pagelogitechg.com/en-gb/shop/p/g915-x-wireless-mechanical-gaming-keyboardRead 30 September 20263Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 20269Retailer pagebhphotovideo.com/c/product/1851732-REG/logitech_g_920_012670_g915_x_lightspeed_low_profile.htmlRead 30 September 202610Retailer pageadorama.com/logitech-g915-x-lightspeed-wireless-gaming-keyboard/p/lo920012704Read 30 September 202611Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

50gf4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Mechanical Switches Gen-3 comparison, Orange column for 75% and Green column for full-size reference. Published as 50 g actuation force.

Bottom-out forceiForce at the end of the switch travel. It is not the initial spring force or the tactile peak.

Not available

Not available

Tactile bump forceiPeak force of the tactile bump. It is not the force at initial movement or at bottom-out.

Not available

Not available

Actuation pointiDistance before a key registers. For adjustable boards, the default profile or setting is stated in the source note.

1.3mm1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Actuation Point: 0.05 in (1.3 mm)". The support spec page gives 1.3 mm±0.30 mm

1.9mm4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Gen-3 comparison. Orange 2.0 mm, Green 1.9 mm.

Total travel

3.2mm1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Total travel distance: 0.12 in (3.2 mm)". Support page: 3.2±0.25 mm

4mm4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Gen-3 comparison. Orange 3.5 mm, Green 4.0 mm.

Rated keystrokes

Not available

100million4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026

Factory-lubed switches

Not available

Not available

Adjustable actuation

Not available

Not available

Actuation rangeiSelectable actuation distances. These are settings, not a measured usable travel range.

Not available

Not available

Actuation stepiSmallest documented increment between selectable actuation settings.

Not available

Not available

Per-key actuationiActuation can be configured individually for supported keys. The source note identifies any excluded keys.

Not available

Not available

Rapid trigger

Not available

Not available

Minimum rapid trigger movementiSmallest selectable movement used to reset or reactivate a key. This is a setting, not measured accuracy.

Not available

Not available

Multi-action keys

Not available

Not available

SOCD handling

Not available

Yes3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4Read 7 October 2026Current maker FAQ states Snap Tap latest-input priority via Razer Synapse 4. This is a later software feature, not a launch-firmware claim.

Analog inputiCan send variable gamepad or joystick input. Magnetic sensing or adjustable actuation alone does not establish analog output.

Not available

Not available

Hot-swap socketsiSwitches can be replaced without soldering. Magnetic compatibility must be checked separately.

None6Reviewpcgamer.com/hardware/gaming-keyboards/logitech-g915-x-lightspeed-reviewRead 30 September 2026Spec box: "Hot-swappable: no"

Not available

Compatible switches

Not available

Not available

Stabilizers

Not available

Not available

Factory-lubed stabilizers

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Keycaps

1 of 5 differ

Keycap material

PBT5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 20266Reviewpcgamer.com/hardware/gaming-keyboards/logitech-g915-x-lightspeed-reviewRead 30 September 2026

ABS1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Legend method

Doubleshot5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026"double-shot, shine-through PBT"6Reviewpcgamer.com/hardware/gaming-keyboards/logitech-g915-x-lightspeed-reviewRead 30 September 2026Spec box: "Keycaps: Double-shot PBT"

Doubleshot1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Keycap profile

Not available

Not available

Keycap thickness

Not available

Not available

Shine-through legendsiLight passes through the legends. Translucent keycap sides alone do not count.

Yes5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 20267Reviewrtings.com/keyboard/reviews/logitech/g915-x-lightspeedRead 30 September 2026

Yes7Reviewrtings.com/keyboard/reviews/razer/blackwidow-v4Read 7 October 2026Reviewer tests Yellow switches but explicitly describes common full-size BlackWidow V4 stock doubleshot ABS keycap legends, with Green listed as alternative switch option. Same maker stock keycaps apply to Green SKU. No force, latency or Green-lubing values borrowed from Yellow test.

Performance

4 of 11 differ

Polling rate per connectioniDocumented report rates for each connection. Required receivers or optional adapters are identified in the row and source note.

ALogitech G915 X LIGHTSPEED

Connection	Polling rate (Hz)
USB (wired)	1,000

Source3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"USB Report Rate: Max: 1 ms", "USB Protocol: USB 2.0". Stored as 1000 Hz wired. No 2.4 GHz LIGHTSPEED report rate is published on any page found, so no 2.4 GHz row is stored

BRazer BlackWidow V4

Connection	Polling rate (Hz)
USB (wired)	8,000

Source2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Technical specifications section says up to 8000 Hz. The keyboard has only a wired USB data connection. Intermediate report-rate settings are not inferred.

Max polling rate

1,000Hz=CalculatedFrom Polling rate per connection

8,000Hz=CalculatedFrom Polling rate per connection

Polling rate (wired)

1,000Hz=CalculatedFrom Polling rate per connection

8,000Hz=CalculatedFrom Polling rate per connection

Polling rate (2.4 GHz)

Not available

Not available

Polling rate (Bluetooth)

Not available

Not available

Scan rateiHow often the keyboard reads its switches. A USB report rate does not establish a scan rate.

Not available

Not available

Input latency (claimed)iMaker-published input or response latency with conditions in the source note. Do not calculate this from polling rate.

Not available

Not available

Key rollover per connectioniKeys registered simultaneously over the stated connection. Connection is omitted if the source does not specify it.

Not available

Not available

Anti-ghosting

Not available

Yes9Maker product pagemysupport.razer.com/app/answers/detail/a_id/13219/kw/blackwidow%20softwareRead 7 October 2026Maker full technical table for BlackWidow V4 RZ03-0469 explicitly states Anti-Ghosting Yes. USB-wired reference. This does not specify an N-key rollover count or scan frequency.

Adjustable debounce

Not available

Not available

Minimum debounce

Not available

Not available

Measured

None of 7 known

Latency per connection (measured)iReviewer measurements for one tested setup per row. Settings and test method are stated in the source note. Missing conditions are not inferred.

Not available

Not available

Actuation point (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Total travel (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Operating force (measured)iReviewer-measured force at actuation. The switch and actuation setting are stated in the source note.

Not available

Not available

Typing noise (measured)iReviewer-measured A-weighted typing sound level. Measurement distance and conditions are stated in the source note.

Not available

Not available

Battery life (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Weight (measured)iReviewer-measured keyboard weight without cable or wrist rest. The tested configuration is stated in the source note.

Not available

Not available

Connectivity

11 of 18 differ

Connections

USB (wired), 2.4 GHz, Bluetooth1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

USB (wired)1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Wireless technology

LIGHTSPEED1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Not available

Bluetooth

5.03Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"Connection Type: Dongle, Bluetooth 5.0, USB"

Not available

Bluetooth device slots

Not available

Not available

Devices it can switch betweeniDistinct device connections available for switching. Do not infer this by adding wireless modes or paired Bluetooth slots.

Not available

Not available

Device switchingiControl used to switch between paired device hosts. Connection-mode and OS switches are described separately.

Button4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026A LIGHTSPEED button and a Bluetooth button select the connection

Not available

Receiver connector

USB-A3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026The receiver section (mislabel led "Mouse Specifications") gives "Connection Type: USB 2.0 Type A" and "LIGHTSPEED wireless technology"

Not available

Receiver storage in keyboard

Yes12Reviewstuff.tv/review/logitech-g915-x-lightspeed-reviewRead 8 October 2026Full-size G915 X LIGHTSPEED review identifies the rear alcove for the supplied USB-A receiver.

Not available

Receiver shared with other devices

Yes8Maker product pagesupport.logi.com/hc/en-in/articles/7707694960663-Connect-two-LIGHTSPEED-devices-to-one-receiver-using-the-Device-Pairing-ToolRead 30 September 2026Compatible keyboard list includes G915 X(LIGHTSPEED, TKL). Receiver pairs one compatible mouse and one keyboard using G HUB device pairing.

Not available

Wireless range

Not available

Not available

Detachable cable

Yes1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026The USB-C data/charging cable is a separate item in the box and plugs into the USB-C port on the keyboard

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

Port on keyboard

USB-C3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026

USB-C2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

Cable plug

USB-A3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"USB A to C charging, data cable"

USB-A2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

Cable

Not available

Braided3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4Read 7 October 2026Maker exact BlackWidow V4 family states included braided USB-A to USB-C cable. No rubber/coiled guess and no cable length inferred.

Cable length

1.8m1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Not available

USB passthrough

Not available

No1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Pro includes USB 2.0 passthrough, while the non-Pro and 75% maker tables explicitly say none.

Works withiSystems on which the keyboard works. Configuration software may have narrower system support.

Windows, macOS, ChromeOS, Android, iOS1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026System requirements: LIGHTSPEED on Windows 10 v.1809 or later and macOS X 10.11 or later. Bluetooth on Windows 11, macOS X 11, Chrome OS, Android 4.3 and iOS 10 or later

Windows, macOS2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Original exact master-guide printed page 4 requirements artwork explicitly Windows 10 64-bit or higher and USB-A. Current maker model-specific Synapse for Mac supported list independently adds macOS, requiring Apple Silicon and macOS 15 Sequoia or above. No generic USB-HID compatibility inferred for Linux or consoles.10Maker product pagemysupport.razer.com/app/answers/detail/a_id/14809/kw/razer%20huntsman%20rz03-Read 7 October 2026Maker Synapse for Mac supported-device list updated August 21 2026 explicitly includes BlackWidow V4 RZ03-0469. Exact US Green SKU is identified under this model in the conformity declaration. Mac preview requires Apple Silicon and macOS 15 Sequoia or above. Original Windows key legends remain.11Maker product pagerazer.com/synapse-4-macRead 7 October 2026Current maker Mac-preview requirements: Apple Silicon chip-based Mac running macOS 15 Sequoia and above. Exact keyboard model support separately proved by supported-device table.

Consoles

Not available

Not available

Battery

9 of 16 differ

Battery type

Li-Po1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Not available

Number of batteriesiNumber of replaceable AA or AAA cells required. Internal rechargeable battery packs are not counted here.

Not available

Not available

Battery capacity

Not available

Not available

User-replaceable battery

No3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"Battery user replaceable? No"

Not available

Battery life per mode (claimed)iMaker estimates. Store one published native duration unit per row: hours, days or months. Days and months describe calendar use including idle time, not continuous runtime. Do not convert calendar estimates into hours. Connection, lighting and polling rate are included only when published. Brightness, workload, screen status, sleep settings and up-to qualifiers go in the source note.

ALogitech G915 X LIGHTSPEED

Connection	Lighting	Hours (h)
2.4 GHz	Max	36
Not available	On	90
Not available	Off	800

Source1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"LIGHTSYNC RGB @100% Brightness: Up to 36 hrs", "@50% Brightness: Up to 90 hrs", "RGB OFF: Up to 800 hrs". The press release says the 36 hours are on LIGHTSPEED. The 90 hour row is at 50% brightness. RGB must be turned off with the brightness button to reach 800 hours

BRazer BlackWidow V4

Not available

Longest battery life (claimed)iLongest maker estimate published in hours across the listed modes. Rows published in days or months do not contribute. Conditions can differ between products.

800h=CalculatedFrom Battery life per mode (claimed)

Not available

Battery life, lighting offiLongest maker estimate published in hours with lighting off. Calendar-day and calendar-month estimates are not converted and do not contribute.

800h=CalculatedFrom Battery life per mode (claimed)

Not available

Battery life, lighting oniLongest maker estimate published in hours with lighting enabled. Calendar-day and calendar-month estimates are not converted and do not contribute. Brightness and display conditions are stated in the source note.

90h=CalculatedFrom Battery life per mode (claimed)

Not available

Battery life, backlight on (claimed)iLongest maker up-to estimate published in calendar days with backlighting enabled. Includes idle time and the source-defined usage pattern, not continuous runtime. Brightness, workload, connection and sleep conditions remain in the table and source note. Hours and months are not converted.

Not available

Not available

Battery life, backlight off (claimed)iLongest maker up-to estimate published in calendar months with backlighting off. Includes idle time and the source-defined usage pattern, not continuous runtime. Workload, connection and sleep conditions remain in the table and source note. Hours and days are not converted.

Not available

Not available

Charging port

USB-C4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Charging section shows the USB-C cable plugged into the keyboard

Not available

Full charge timeiPublished time for a full charge. Approximate times remain qualified in the source note.

Not available

Not available

Quick charge

Not available

Not available

Use while charging

Yes13Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 8 October 2026USB data/charging connection is documented alongside the active wired mode indicator and charging indicator. Keyboard functions remain available through the wired connection.

Not available

Solar charging

Not available

Not available

Battery indicator

LED3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"Indicator Lights (LED): Battery, Capslock"4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Battery light pulses green when charging and shows red when the keyboard needs charging

Not available

Build

2 of 8 differ

Case material

Aluminum top plate (1.5 mm)5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026"The aluminum top plate thickness was increased from 1.2 to 1.5 mm"

5052 aluminium alloy top case1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Only the specified 5052 alloy top case is represented. Lower housing material is not inferred.

Plate material

Not available

Not available

Mount style

Not available

Not available

Flex cuts in PCB

Not available

Not available

Sound dampeningiDampening layers the maker or a review names. Foam whose position in the stack is not stated is foam. Films, pads and silicone parts that fit no other option are other.

Other12Reviewstuff.tv/review/logitech-g915-x-lightspeed-reviewRead 8 October 2026Reviewer describes extra layers of sound dampening material. Material and layer placement are unspecified, so no foam or plate classification is inferred.

Case foam, Plate foam2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Manual describes foam in the bottom case and between the circuit board and top case. These are case foam and plate foam. No undocumented layer is added.

Typing anglesiKeyboard slope for each supported foot position, starting with the lowest. An adjustable-foot count does not establish angles. When the maker publishes only the angle with the feet out, that angle is stored alone.

Not available

Not available

Spill resistant

Not available

Not available

IP rating

Not available

Not available

Lighting

2 of 7 differ

Backlight

RGB per key7Reviewrtings.com/keyboard/reviews/logitech/g915-x-lightspeedRead 30 September 2026Free verdict text: "Per-key addressable RGB lighting and shine-through keycaps". The measured test results are members-only and were not used

RGB per key3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4Read 7 October 2026

LED position

Not available

Not available

Lighting zones

Not available

Not available

Brightness levelsiSelectable onboard brightness steps. The source note states whether the off position is included.

Not available

Not available

Side or underglow lighting

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Lighting sensors

Not available

Not available

Lighting sync

LIGHTSYNC RGB1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026LIGHTSYNC RGB, customisable through G HUB

Razer Chroma RGB3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4Read 7 October 2026

Controls

2 of 12 differ

Media keysiPlayback controlled by separate buttons, an Fn layer or a multifunction knob/rocker. Volume controls are listed separately, and knob presses are excluded from the separate media-button count.

Dedicated4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Media controls in the upper right corner: volume roller, skip back, play/pause, skip forward and mute

Dedicated1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Separate media buttonsiSeparate physical buttons for playback or mute, counted once each. Fn shortcuts, macro buttons, knob presses and roller presses are excluded.

44Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Skip back, play/pause, skip forward and mute. The volume roller is not counted

41Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Physical media buttons, excluding the roller and its possible press action.

Volume control

Roller1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Materials section: "Metal Roller". The press release calls it a cast iron volume roller

Roller1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Knobs

Not available

02Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026A volume roller is fitted, with no separate rotary knob in the complete device layout.

Programmable knob

Not available

Not available

Knob press

Not available

Not available

Separate macro keysiSeparate physical keys or buttons intended for macros. Excludes ordinary remappable keys, media buttons and a dedicated software-launch button.

91Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Assign complex macros to one of 9 G keys"4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 diagram identifies G1-G5 left column plus G6-G9 top buttons. Nine physical G keys, distinct from playback buttons.

61Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Six separate macro keys on the left of the typing area.

Built-in screen

Not available

Not available

Touchpad

Not available

Not available

Fingerprint reader

Not available

Not available

OS mode switch

Not available

Not available

Windows key lock

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026The Game Mode button disables the Windows key and the Menu key

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

Software

5 of 10 differ

Software

Logitech G HUB1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"(Optional) Internet access for Logitech G HUB Software"

Razer Synapse2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

Software runs on

Not available

Windows, macOS2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Read manual requirements drawing names Windows 10 64-bit or higher. Basic USB input compatibility on other platforms is not inferred.10Maker product pagemysupport.razer.com/app/answers/detail/a_id/14809/kw/razer%20huntsman%20rz03-Read 7 October 2026Maker Synapse for Mac supported-device list updated August 21 2026 explicitly includes BlackWidow V4 RZ03-0469. Exact US Green SKU is identified under this model in the conformity declaration. Mac preview requires Apple Silicon and macOS 15 Sequoia or above. Original Windows key legends remain.11Maker product pagerazer.com/synapse-4-macRead 7 October 2026Razer Synapse for Mac and Razer Chroma App preview for macOS. Requires Apple Silicon and macOS 15 Sequoia or above. Not inherited from deprecated Synapse2 generic Mac support.

Open firmware

Not available

Not available

Onboard memory

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Onboard profilesiProfiles stored on the keyboard, including fixed defaults when the maker counts them. Software-only profiles are excluded.

34Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026"Three onboard profiles can be saved to G915 X LS", selected with FN+F2, F3, F4 in onboard mode

51Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026Hybrid onboard storage, up to five profiles. This does not establish onboard macro execution.

Macros

Yes1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 20269Maker product pagemysupport.razer.com/app/answers/detail/a_id/13219/kw/blackwidow%20softwareRead 7 October 2026Maker expressly states On-the-Fly Macro Recording only works while Razer Synapse is installed and running. This qualifies existing recording feature. Recording condition does not alone establish whether a previously assigned sequence replays from onboard storage, so macros_onboard remains unknown.

Macros stored onboardiRecorded command sequences run from keyboard storage without the configuration app. Onboard lighting or remapping alone does not establish this.

Not available

Not available

Key remapping

Yes1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

LayersiTotal key mapping layers including the base layer. Lighting effect layers and profile slots are excluded.

Not available

22Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Hypershift is a secondary mapping layer in addition to the standard mapping. Profile slots and light-effect layers are excluded.

User firmware updates

Not available

Yes9Maker product pagemysupport.razer.com/app/answers/detail/a_id/13219/kw/blackwidow%20softwareRead 7 October 2026Maker lists user firmware update v1.5.0_r1 dated January 8 2026 for RZ03-0469 with updater instructions. The generic wireless-dongle instruction is a template error and does not change this wired model’s connection set.12Maker product pagemysupport.razer.com/app/answers/detail/a_id/13901/kw/razer%20blackwidow%20downloadRead 7 October 2026Exact maker firmware article 13901 names applicable RZ03-0469 and v1.5.0_r1 dated 8 January 2026, with user updater instructions and Mac sleep fix. Full public indexed original answer independently read after direct open yielded Oracle pre-page shell. Generic dongle instruction is template contamination, not evidence of wireless hardware. No firmware installed.

Ergonomics

2 of 4 differ

Wrist rest

None4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Box contents and keyboard diagram show no separate wrist rest. The maker box list does not include one.

Detachable1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Wrist rest material

Not available

Magnetic plush leatherette1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Tenting

Not available

Not available

Tenting angles

Not available

Not available

Dimensions and weight

4 of 6 differ

DimensionsiKeyboard body dimensions with fitted keycaps, without wrist rest and with feet folded. Any different measurement condition is stated in the source note. Width is the longest side, depth runs front to back and height is the thickness. Map by size when the maker's labels differ.

Width475Depth150Height22.6mm(18.7 × 5.9 × 0.9 in)1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Published as Height 22.6 mm, Width 150 mm, Length 475 mm. Stored as width 475, depth 150. The feature text and press release say 23 mm high, the spec value is kept3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026

Width466Depth152.5Height39.6mm(18.3 × 6 × 1.6 in)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Manual Technical specifications, Without wrist rest. Maker Length along the key rows is normalized to keyboard width. Maker Width front-to-back becomes depth. Approximate values with supplied keycaps.

Dimensions with wrist rest

Not available

Width466Depth237.5Height39.6mm(18.3 × 9.4 × 1.6 in)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Manual Technical specifications, With wrist rest. Maker Length becomes width and Width becomes depth.

Keyboard weightiKeyboard without cable or wrist rest. Weights that include accessories cannot be stored here. A cable that cannot be removed is included. Replaceable batteries are included, as built-in batteries are.

1,080g(2.4 lb)1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Weight (w/o cable): 38.09 oz (1080 g)"3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026

1,087g(2.4 lb)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Maker approximate Without wrist rest figure for the keyboard. No retailer shipping or packaging weight used.

Weight including wrist restiKeyboard plus supplied wrist rest, excluding packaging. The source note identifies any included cable.

Not available

1,327g(2.9 lb)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026Maker approximate With wrist rest figure.

Box dimensions

Not available

Not available

Box weightiOne retail package including its contents. A multi-unit shipping carton weight is excluded.

Not available

Not available

Certifications

1 of 2 differ

Platform certifications

Not available

Not available

Other certifications

Not available

CE, UKCA8Regulatory filingdl.razerzone.com/en/compliance/EU%20Declaration%20of%20Conformity%20for%20BlackWidow%20V4%20%28RZ03-0469%29.pdfRead 7 October 2026Maker declaration explicitly lists exact US Green SKU under RZ03-0469 and states that products/packaging bear CE and UKCA marks. Rendered marks inspected. Conformity is self-declared, not independent third-party certification. No radio FCC ID invented for wired keyboard.

In the box

2 of 3 differ

In the box

G915 X LIGHTSPEED gaming keyboard, LIGHTSPEED USB receiver, USB extender, USB-C data/charging cable, User documentation1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Verbatim from the In the Box panel

BlackWidow V4, Magnetic plush leatherette wrist rest, USB Type A to Type C cable, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026What is inside section. Supplied wrist rest is identified in the device-layout legend.

Cables included

ALogitech G915 X LIGHTSPEED

Type	Count
USB-C data/charging cable (USB-A to USB-C, 1.8 m)	1

Source1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026One USB-C data/charging cable in the box. The support page calls it "USB A to C charging, data cable", length 1.8 m

BRazer BlackWidow V4

Type	Count
USB Type A to USB Type C cable	1

Source2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

Spare switches

Not available

Not available

Links

Not compared

Product page

www.logitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.html1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

www.razer.com/gaming-keyboards/razer-blackwidow-v41Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4/RZ03-04690200-R3U1Read 7 October 2026

Spec sheet

Not available

Not available

Manual

www.logitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdf4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Setup guide for the Americas (English, French, Spanish, Portuguese)

dl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdf2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4-00000647-en.pdfRead 7 October 2026

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

0 of 1 differ

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.

2years1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"2-Year Limited Hardware Warranty" (US page)

2years3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4Read 7 October 2026US maker page warranty section.

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