Keyboards / Compare

CORSAIR K55 CORE RGB Gaming Keyboard vs Razer BlackWidow V4 Pro

A

Product A: CORSAIR

K55 CORE RGB Gaming Keyboard

65 of 164 known

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B

Product B: Razer

BlackWidow V4 Pro

81 of 164 known

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All 164 fields

Every value links to where we found it.

Only differences

ACORSAIR K55 CORE RGB Gaming Keyboard

BRazer BlackWidow V4 Pro

General

6 of 9 differ

Series

K551Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Keyboard Type Size K55.

BlackWidow1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

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

CH-9226C65-NA, CH-9226D65-NA1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Black SKU CH-9226C65-NA. The colour selector offers Black and Gray. Regional layout SKUs (DE, ES, UK and others) are not stored.11Maker product pagecorsair.com/us/en/p/keyboards/ch-9226d65-na/k55-core-rgb-mechanical-gaming-keyboard-gray-ch-9226d65-naRead 23 October 2026Gray SKU CH-9226D65-NA. Tech specs are the same as the Black SKU.

RZ03-04680200-R3U11Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Reference is exact Black US SKU fitted with Green Mechanical Clicky switches. Gen-3 ordinal is not established. Yellow, regional and special-edition variants are not inherited.

GTIN / EAN

840006666547, 8400066666089Retailer pagepbtech.com/au/product/KEYCOR9226C65/Corsair-K55-CORE-RGB-Gaming-Keyboard---BlackRead 23 October 2026PB Tech Australia listing: MPN CH-9226C65-NA, UPC 840006666547.10Retailer pagepbtech.com/product/KEYCOR9002/Corsair-K55-CORE-RGB-Gaming-Keyboard---GrayRead 23 October 2026PB Tech global listing: MPN CH-9226D65-NA, UPC 840006666608.

8402729033157Retailer pagebhphotovideo.com/c/product/1851675-REG/razer_rz03_04680200_r3u1_blackwidow_v4_pro_mechanical.htmlRead 7 October 2026Exact MFR RZ03-04680200-R3U1 and Green Clicky title. UPC row is 840272903315, independently corroborated by GameStop same vendor part number. Other regional barcode leads are not added.8Retailer pagegamestop.com/pc-gaming/keyboards/products/razer-blackwidow-v4-pro-wired-mechanical-gaming-keyboard-green-mechanical-switches-chroma-rgb-lighting---black/346697.htmlRead 7 October 2026Product Details UPC 840272903315 and Vendor Part Number RZ03-04680200-R3U1. Title explicitly Green switches, Black. Corroborates B&H exact UPC.

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

9 January 20245Press releasecorsair.com/newsroom/press-release/corsair-launches-k55-core-the-keyboard-to-start-your-winning-streakRead 23 October 2026Press release dateline January 9, 2024.

16 February 20235Press releaserazer.com/newsroom/product-news/experience-ultimate-control-and-immersion-with-the-new-razer-blackwidow-v4-proRead 7 October 2026

Status

Available1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Page shows In Stock.

Available7Retailer pagebhphotovideo.com/c/product/1851675-REG/razer_rz03_04680200_r3u1_blackwidow_v4_pro_mechanical.htmlRead 7 October 2026Exact new Green US listing explicitly In Stock with purchase control. Current retail stock, not inferred from a used listing or another switch finish.

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.

$39.996Reviewcgmagonline.com/review/hardware/corsair-k55-core-keyboardRead 23 October 2026Review of January 9, 2024: MSRP 39.99. The review does not name the currency. APH Networks and Guru3D round the price to 40 USD at the same time. The corsair.com page now shows an original price of 49.99 USD, which is not the launch figure.

$229.995Press releaserazer.com/newsroom/product-news/experience-ultimate-control-and-immersion-with-the-new-razer-blackwidow-v4-proRead 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.

€49.998Press articlepcgameshardware.de/Tastaturen-Hardware-255538/News/Corsair-K55-Core-Budget-Spieler-RGB-Fluessigkeitsschutz-50-Euro-1437837Read 23 October 2026News of January 11, 2024: price 49.99 EUR (UVP) for the German layout in Germany. Tax treatment is not stated and a German UVP normally includes VAT.

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, CA1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026The same SKU is sold on the Corsair US and Canada pages.12Maker product pagecorsair.com/ca/en/p/keyboards/ch-9226c65-na/k55-core-rgb-mechanical-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Corsair Canada sells the same SKU CH-9226C65-NA.

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

ColoursiThe maker's own colour names

Black, Gray1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Page colour selector: Black, Gray.10Retailer pagepbtech.com/product/KEYCOR9002/Corsair-K55-CORE-RGB-Gaming-Keyboard---GrayRead 23 October 2026Corsair US page for CH-9226D65-NA is the Gray K55 CORE RGB with the same tech specs.11Maker product pagecorsair.com/us/en/p/keyboards/ch-9226d65-na/k55-core-rgb-mechanical-gaming-keyboard-gray-ch-9226d65-naRead 23 October 2026Page title: K55 CORE RGB Gaming Keyboard, Gray.

Black1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Segment

Gaming1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Listed under Gaming Keyboards, Wired Gaming Keyboards. Title says Gaming Keyboard.

Gaming1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

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

Complete1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Sold fully assembled with fixed rubber dome keys.

Complete1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Layout

2 of 12 differ

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

Full size1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Size Full TKL Extended. The title and the press release say full-size. The maker photo shows a full 104-key layout with numpad.

Full size1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

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

ANSI1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Maker photo: horizontal Enter, long left Shift and a backslash key above Enter. That is ANSI.

ANSI2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026US model reference in complete keyboard layout drawing has rectangular Enter and ANSI left Shift geometry.

Regional layouts

NA (North America)1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Keyboard Layout NA (North America).

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 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.

1041Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Keyboard Matrix 110 Keys. The comparison article says the K55 CORE has four dedicated media keys and two function keys (brightness and Windows lock). 110 less those 6 is 104, and the maker photo shows a standard 104-key full-size layout.

1042Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete US ANSI layout drawing has 104 standard typing/function keys. Separate macro keys/buttons, media buttons and rotary controls are excluded.

Key legends for

Windows1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Maker photo shows a Windows logo key.

Windows2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete physical key drawing has Windows legends.

Numpad

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Maker photo shows a numpad.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete exact-model layout drawing and maker form-factor description.

Function row

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Maker photo shows F1 to F12.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Dedicated arrow keys

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Maker photo shows an inverted-T arrow cluster.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

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

Full1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Maker photo shows Insert, Home, Page Up, Delete, End and Page Down as separate keys.

Full2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete full-size US reference drawing shows the full six-key navigation block.

Key stagger

Row-staggered1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Maker photo shows row-staggered keys.

Row-staggered2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete exact-model layout drawing shows staggered alphanumeric rows.

Bottom row

Not available

Not available

Low profile

Not available

No1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 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.

Membrane1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Key Switches Rubber Dome. Page: membrane switches. Stored as membrane.

Mechanical1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Switch feel

Tactile7Reviewaphnetworks.com/reviews/corsair-k55-core/2Read 23 October 2026Review page 2: membrane (rubber dome) with a tactile bump at the start of travel.

Tactile, Clicky1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Selected Green switches give tactile and clicky feedback.

Switch maker

Not available

Razer1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Switch models

Not available

Razer Green Mechanical Switches1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Exact selected Black US RZ03-04680200-R3U1 title identifies Green switches. Original exact model master guide and launch identify Green Mechanical Clicky. Gen-3 ordinal could not be independently tied to this installed reference, so it is not retained.

Switch stem

Not available

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.

Not available

50gf4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Mechanical Switches Gen-3 comparison, Green column: published 50 g actuation force.6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Exact Black full-size Green review explicitly states Razer Green switches actuate at 50 g force, corroborating stored claimed 50 gf. This is published switch specification, not an independently measured force trace.

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.

Not available

1.9mm4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Gen-3 Green comparison column: 1.9 mm.6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Exact full-size Green review explicitly states Green actuation 1.9 mm. Published switch specification, not a lab-measured pretravel value.

Total travel

Not available

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

Rated keystrokes

Not available

100million5Press releaserazer.com/newsroom/product-news/experience-ultimate-control-and-immersion-with-the-new-razer-blackwidow-v4-proRead 7 October 2026Original exact-model February 16, 2023 launch explicitly says both Green and Yellow variants underwent further testing and are now rated up to 100 million keystrokes. Current RZ03-0468x FAQ updated August 4, 2026 lists 80 million, an unresolved maker discrepancy retained here. No Gen-3 ordinal inferred.

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-v4-proRead 5 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.

Not available

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-pro/RZ03-04680200-R3U1Read 5 October 2026

Keycaps

2 of 5 differ

Keycap material

ABS7Reviewaphnetworks.com/reviews/corsair-k55-core/2Read 23 October 2026Review page 2: low-profile ABS plastic keycaps, not PBT.

ABS1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Legend method

Not available

Doubleshot1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 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.

Not available

Yes6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Typing and gaming section identifies doubleshot ABS with shine-through legends on the tested Green-switch Black keyboard.

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.

ACORSAIR K55 CORE RGB Gaming Keyboard

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

Source1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Keyboard Report Rate 1000Hz. Wired USB.

BRazer BlackWidow V4 Pro

Connection	Polling rate (Hz)
USB (wired)	125
USB (wired)	8,000

Source2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Manual Polling Rate section explicitly permits selecting from 125 Hz to 8000 Hz over the wired USB connection. Only documented endpoints are stored, with no intermediate setting 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.

ACORSAIR K55 CORE RGB Gaming Keyboard

Not available

BRazer BlackWidow V4 Pro

Connection	Rollover
USB (wired)	NKRO

Source14Maker product pagemysupport.razer.com/app/answers/detail/a_id/9703/~/razer-blackwidow-v4-pro-%7C-rz03-0468x-support-%26-faqsRead 7 October 2026Current model-specific RZ03-0468x support Full Technical Specifications Other Features explicitly N-key Rollover, updated August 4, 2026. Full-size wired USB family covers selected Green RZ03-04680200-R3U1. This more-specific producer table supersedes the generic all-keyboard six-key FAQ. Indexed public actual table read, live Oracle pre-page check not bypassed.

Anti-ghosting

Yes8Press articlepcgameshardware.de/Tastaturen-Hardware-255538/News/Corsair-K55-Core-Budget-Spieler-RGB-Fluessigkeitsschutz-50-Euro-1437837Read 23 October 2026News lists 12-key rollover anti-ghosting as a feature.

Yes9Reviewpcgamer.com/razer-blackwidow-v4-proRead 7 October 2026Published full-size BlackWidow V4 Pro specification Features list expressly names anti ghosting. Review tested Yellow, so no force, travel, noise or latency values are transferred. Maker generic anti-ghosting statement independently agrees.10Maker product pagemysupport.razer.com/app/answers/detail/a_id/532Read 7 October 2026Indexed original maker anti-ghosting article expressly says Yes and explains gaming-optimised matrix. Live Oracle support route is unavailable behind pre-page check. Its generic USB 6-key rollover statement is not used for the exact-model NKRO field.

Adjustable debounce

Not available

Not available

Minimum debounce

Not available

Not available

Measured

1 of 7 differ

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.

752g(1.7 lb)7Reviewaphnetworks.com/reviews/corsair-k55-core/2Read 23 October 2026The reviewer weighed the unit and says 752 g seems correct. Cable included, no wrist rest. The scale and method are not named.

Not available

Connectivity

6 of 18 differ

Connections

USB (wired)1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Keyboard Connectivity Wired.

USB (wired)1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Wireless technology

Not available

Not available

Bluetooth

Not available

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.

Not available

Not available

Receiver connector

Not available

Not available

Receiver storage in keyboard

Not available

Not available

Receiver shared with other devices

Not available

Not available

Wireless range

Not available

Not available

Detachable cable

No1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: wired USB 2.0 Type-A with a tangle-free rubber cable. Maker photo shows the cable leaving the top edge and no port on the keyboard.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Port on keyboard

None1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Maker photo shows no port on the keyboard.

USB-C2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Cable plug

USB-A1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Wired Connectivity USB 2.0 Type-A.

USB-A2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Cable

Rubber1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Keyboard Cable Material Tangle-free rubber.

Braided7Retailer pagebhphotovideo.com/c/product/1851675-REG/razer_rz03_04680200_r3u1_blackwidow_v4_pro_mechanical.htmlRead 7 October 2026Exact Green US overview expressly says braided USB-C cable. Connector shapes and cable length are separate.

Cable length

1.82m2Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/corsair-k55-core-everything-you-need-to-knowRead 23 October 2026Technical specifications table: Cable 1.82 m / 6 ft, black, tangle-free rubber.

2m6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026In addition to the wrist rest paragraph explicitly says two 6.5-foot (2 m) USB-C to USB-A cables. Store stated metric 2 m per supplied cable, not a derived length from rounded feet.

USB passthrough

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 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, macOS1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs, Keyboard Compatibility: PC with a USB 2.0 Type-A port, Windows 10 or macOS 10.15, internet connection for iCUE download.

Windows, macOS6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Green Black review demonstrates normal Windows input and pre-programmed Screenshot, Xbox Game Bar and Windows Task View controls. Confirmed Windows operation. Mac/Linux absence is not claimed.15Maker product pagemysupport.razer.com/app/answers/detail/a_id/14809Read 7 October 2026Current exact RZ03-0468x listed for Synapse for Mac configuration and compatible input on Apple Silicon / macOS 15 Sequoia or later. Every Windows shortcut or app feature is not claimed.16Maker product pagerazer.com/synapse-4-macRead 7 October 2026Current exact RZ03-0468x listed for Synapse for Mac configuration and compatible input on Apple Silicon / macOS 15 Sequoia or later. Every Windows shortcut or app feature is not claimed.

Consoles

PlayStation, Xbox3Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/k55-coreRead 23 October 2026Setting up your keyboard: works on Windows PC, Apple Mac, Xbox One and Xbox Series X|S (compatible out of the box) and PlayStation 4 and 5 (through a shortcut mode). The 2026 comparison article says the K55 CORE is limited to PC and Mac. The guide is stored because a manual wins over an article.

Not available

Battery

None of 16 known

Battery type

Not available

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

Not available

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.

Not available

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.

Not available

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.

Not available

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.

Not available

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

Not available

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

Not available

Not available

Solar charging

Not available

Not available

Battery indicator

Not available

Not available

Build

3 of 8 differ

Case material

Plastic7Reviewaphnetworks.com/reviews/corsair-k55-core/2Read 23 October 2026Review page 2: plastic frame and backplate.

5052 aluminium alloy top case and plastic chassis1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Only the specified 5052 alloy top case is represented. Lower housing material is not inferred.6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Design section explicitly aluminium alloy top plate and plastic chassis on Black Green review unit. Existing maker 5052 top-case claim is retained. Plastic lower chassis is additional secondary evidence, not a replacement for the maker material.

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.

Not available

Case foam, Plate foam2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 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

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Page: 300ml spill resistance. K55 CORE withstands spills and water attacks.2Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/corsair-k55-core-everything-you-need-to-knowRead 23 October 2026Article: resistance to spills up to 300ml.4Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/skiff-100-vs-skiff-100-plus-vs-k55-core-whats-the-differenceRead 23 October 2026Comparison table: 300mL spill resistance for K55 CORE. It is a volume claim and not a certified IP rating.

Not available

IP rating

Not available

Not available

Lighting

5 of 7 differ

Backlight

RGB zones1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Page: fully customizable ten-zone RGB backlighting.

RGB per key3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-proRead 5 October 2026

LED position

Not available

Not available

Lighting zones

101Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Page: ten-zone RGB.2Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/corsair-k55-core-everything-you-need-to-knowRead 23 October 2026Table: Backlighting 10-Zone lit and per-zone programmable.4Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/skiff-100-vs-skiff-100-plus-vs-k55-core-whats-the-differenceRead 23 October 2026Comparison table: K55 CORE has 10-Zone RGB.

Not available

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

57Reviewaphnetworks.com/reviews/corsair-k55-core/2Read 23 October 2026Review page 2: the backlight can be turned off or set across five brightness steps with the brightness button. The off position is not counted in the 5.

Not available

Side or underglow lighting

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Lighting sensors

Not available

Not available

Lighting sync

CORSAIR iCUE5Press releasecorsair.com/newsroom/press-release/corsair-launches-k55-core-the-keyboard-to-start-your-winning-streakRead 23 October 2026Release: lighting syncs with other gaming gear through iCUE.

Razer Chroma RGB3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-proRead 5 October 2026

Controls

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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.

Dedicated1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Media Keys Dedicated Hotkeys.

Dedicated1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 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.

41Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Page: four dedicated media buttons control video, music and livestreams.4Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/skiff-100-vs-skiff-100-plus-vs-k55-core-whats-the-differenceRead 23 October 2026Text: K55 CORE uses four dedicated media keys and two function keys.

41Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Physical media buttons, excluding the roller and its possible press action.

Volume control

Keys1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Page and photo: volume up, volume down and mute buttons in the media cluster.

Roller1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Knobs

01Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026No knob or roller in the maker photo.

12Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Only the Command Dial is a knob. The long horizontal volume roller is excluded.

Programmable knob

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Razer Synapse can assign custom modes to the Command Dial.

Knob press

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Command Dial next-mode diagram uses a click to change mode.

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

04Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/skiff-100-vs-skiff-100-plus-vs-k55-core-whats-the-differenceRead 23 October 2026Comparison table: G-Keys None for K55 CORE. Text: neither SKIFF 100 nor K55 CORE has dedicated macro keys. The maker's own tech spec table says Macro Keys 6, which contradicts this article, the maker photo and the reviews.

81Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Five macro keys plus three physical side buttons. Media controls and the software-launch button are excluded.

Built-in screen

None1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026No screen in the maker photo.

Not available

Touchpad

No1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026No touchpad in the maker photo.

Not available

Fingerprint reader

No1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026No fingerprint reader in the maker photo.

Not available

OS mode switch

Not available

Not available

Windows key lock

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: WIN Lock Dedicated Hotkey.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Software

3 of 10 differ

Software

iCUE1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Keyboard CUE Software Supported in iCUE.

Razer Synapse2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Software runs on

Windows, macOS3Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/k55-coreRead 23 October 2026Software mode: install iCUE on a Windows PC or Apple Mac.

Windows, macOS2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Original Synapse 3 manual requires Windows 10 64-bit or higher. Current full-size RZ03-0468x now appears in the official Synapse for Mac supported-device table. The old Windows-only manual is historical Windows proof, not a current Mac absence claim.15Maker product pagemysupport.razer.com/app/answers/detail/a_id/14809Read 7 October 2026Official Synapse for Mac supported and compatible devices table, updated August 21, 2026, explicitly lists full-size Razer BlackWidow V4 Pro RZ03-0468x under Keyboards, separately from 75% and other models. Current Mac landing requires Apple Silicon / macOS 15 Sequoia or later. This proves a Mac configuration-app route, not identical availability of every Windows feature. Older May 2026 generic FAQ lists 13 or later, which is not adopted as a current minimum. Actual public indexed table read, live pre-page gate not bypassed.16Maker product pagerazer.com/synapse-4-macRead 7 October 2026Current official Mac app landing states Apple Silicon and macOS 15 Sequoia or later. Named RZ03-0468x compatibility independently appears in the model table 14809. Requirements and function differences retained in note.

Open firmware

Not available

Not available

Onboard memory

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: On Board Memory Yes.3Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/k55-coreRead 23 October 2026Hardware mode uses profiles and settings saved to onboard storage. Holding ESC for two seconds erases the onboard memory profiles.

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

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

Not available

51Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Hybrid onboard storage, up to five profiles. This does not establish onboard macro execution.

Macros

Yes3Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/k55-coreRead 23 October 2026Macro recording: macros can be recorded in iCUE software.5Press releasecorsair.com/newsroom/press-release/corsair-launches-k55-core-the-keyboard-to-start-your-winning-streakRead 23 October 2026Release: iCUE offers macro programming.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

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

Yes5Press releasecorsair.com/newsroom/press-release/corsair-launches-k55-core-the-keyboard-to-start-your-winning-streakRead 23 October 2026Release: iCUE offers key remapping.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 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/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Hypershift is a secondary mapping layer in addition to the standard mapping. Profile slots and light-effect layers are excluded.

User firmware updates

Yes3Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/k55-coreRead 23 October 2026Setting up: update to the latest firmware version using CORSAIR iCUE.

Yes12Maker product pagemysupport.razer.com/app/answers/detail/a_id/13898/~/razer-blackwidow-v4-pro-firmware-updater-%7C-rz03-0468xRead 7 October 2026Indexed original official guide expressly applicable to RZ03-0468x, provides downloadable updater and user update steps. Current live view redirects to Oracle pre-page check. Public driver database independently lists official downloadable firmware for RZ03-0468. No updater executed or installed.13Spec databasetouslesdrivers.com/index.phpRead 7 October 2026Public firmware database: Status Official, File type Firmware, file BlackWidowV4Pro_028D_FirmwareUpdater_v1.05.00_r1.exe, supported hardware BlackWidow V4 Pro RZ03-0468. Corroborates original maker updater. Its Mac-related sleep fix does not alone prove complete Mac app compatibility.

Ergonomics

2 of 4 differ

Wrist rest

None4Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/skiff-100-vs-skiff-100-plus-vs-k55-core-whats-the-differenceRead 23 October 2026Comparison table: Wrist Rest None for K55 CORE. Text: it does not include a wrist rest at all.

Detachable1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Wrist rest material

Not available

Magnetic plush leatherette1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 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.

Width451.35Depth141.15Height35mm(17.8 × 5.6 × 1.4 in)2Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/corsair-k55-core-everything-you-need-to-knowRead 23 October 2026Technical specifications table: Dimensions 451.35*141.15*35 mm. The order is width, depth and height by size. The measurement conditions are not stated.7Reviewaphnetworks.com/reviews/corsair-k55-core/2Read 23 October 2026Review: 451 mm wide, 141 mm deep and 35 mm high. This matches the maker figures.

Width466Depth152.5Height44mm(18.3 × 6 × 1.7 in)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 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

Width466Depth237.5Height44mm(18.3 × 9.4 × 1.7 in)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 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.

752g(1.7 lb)1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Weight 0.752. The unit is not printed. The K55 CORE blog states 0.752 kgs, so 752 g. Older listings showed 1.035 which looks like a package figure.2Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/corsair-k55-core-everything-you-need-to-knowRead 23 October 2026Technical specifications table: Weight 0.752 kgs.

1,128.5g(2.5 lb)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 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

1,530g(3.4 lb)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 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

RoHS, REACH/SVHC, EU POP Regulation11Maker spec sheet (PDF)dl.razerzone.com/en/compliance/EU%20Declaration%20of%20Conformity%20for%20BlackWidow%20V4%20Pro%20%28RZ03-0468%29.pdfRead 7 October 2026Original manufacturer declaration explicitly includes exact code RZ03-04680200-R3U1. Declares RoHS 2011/65/EU Annex II with EU 2015/863, REACH/SVHC 1907/2006/EC and EU 2019/1021 POP regulation. Manufacturer self-declared regulatory compliance claims. No other sales market is added.

In the box

2 of 3 differ

In the box

K55 CORE RGB Gaming Keyboard, Safety Leaflet, Warranty Card1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Package Contents: K55 CORE RGB Gaming Keyboard, Safety Leaflet, Warranty Card. The quick start guide is a web guide.

BlackWidow V4 Pro, Magnetic plush leatherette wrist rest, 2x USB Type A to Type C cables, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026What is inside section. Supplied wrist rest is identified in the device-layout legend.

Cables included

ACORSAIR K55 CORE RGB Gaming Keyboard

Not available

BRazer BlackWidow V4 Pro

Type	Count
USB Type A to USB Type C cable	2

Source2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Spare switches

Not available

Not available

Links

Not compared

Product page

www.corsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-na1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026US store page, Black, SKU CH-9226C65-NA. The page shows In Stock and a Best Seller tag on the access date at a current price of 34.99 USD (original price 49.99 USD). Neither price is stored as the launch price.

www.razer.com/gaming-keyboards/razer-blackwidow-v4-pro1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Spec sheet

Not available

Not available

Manual

www.corsair.com/us/en/explorer/gamer/keyboards/k55-core3Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/k55-coreRead 23 October 2026K55 CORE Quick Start Guide on corsair.com Explorer, 2024 copyright. It covers setup, factory reset, PlayStation mode, software mode, hardware mode and macro recording.

dl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdf2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 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 pagecorsair.com/us/en/p/keyboards/ch-9226c65-na/k55-core-rgb-gaming-keyboard-black-ch-9226c65-naRead 23 October 2026Tech specs: Keyboard Warranty 2 Year.5Press releasecorsair.com/newsroom/press-release/corsair-launches-k55-core-the-keyboard-to-start-your-winning-streakRead 23 October 2026Release: two-year warranty.

2years3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-proRead 5 October 2026US maker page warranty section.

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