Keyboards / Compare

CORSAIR K55 CORE RGB Gaming Keyboard vs Razer BlackWidow V4 X

A

Product A: CORSAIR

K55 CORE RGB Gaming Keyboard

65 of 164 known

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B

Product B: Razer

BlackWidow V4 X

69 of 164 known

Change Razer BlackWidow V4 X

Compare the CORSAIR K55 CORE RGB Gaming Keyboard with

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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 X

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.

BlackWidow V44Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 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.

RZ03-0470, RZ03-04700200-R3U1, RZ03-04701900-R3U15Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026

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.

Not available

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.

18 July 20234Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 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.

Available5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026Exact Black standard US keyboard remains offered in maker store.

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.

$129.994Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 2026Exact V4 X launch MSRP USD 129.99.

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.

€149.994Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 2026Exact V4 X European launch MSRP EUR 149.99. Tax treatment not separately stated.

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.

Not available

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.

Black5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 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-xRead 23 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-xRead 23 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 size3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 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.

ANSI5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026US Layout and ANSI gallery reference.

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).

US Layout5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026

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.

Not available

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/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Maker layout map 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/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

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/BLACKWIDOWV4X-00000659-en.pdfRead 23 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/BLACKWIDOWV4X-00000659-en.pdfRead 23 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/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

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/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Bottom row

Not available

Not available

Low profile

Not available

Not available

Switches

12 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-xRead 23 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.

Clicky, Silent linear1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Switch maker

Not available

Razer1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Switch models

Not available

Razer Green Mechanical Switches Gen-3, Razer Yellow Mechanical Switches Gen-31Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026Standard Black model is sold with Green Clicky and Yellow Linear switches. Licensed color editions are not separately cataloged.

Switch stem

Not available

MX cross7Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026Maker Gen-3 switches use cross stems with dual side walls.

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

45 to 50gf4Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 20265Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 20266Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04701900-R3U1Read 23 October 20267Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026

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

1.2 to 1.9mm4Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 20265Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 20266Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04701900-R3U1Read 23 October 20267Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026

Total travel

Not available

3.5 to 4mm4Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 20265Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 20266Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04701900-R3U1Read 23 October 20267Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026

Rated keystrokes

Not available

100million7Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026Green and Yellow table explicitly states 100 million. Current V4 X FAQ separately corroborates 100 million.

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

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026Razer Snap Tap through current Synapse 4. Not claimed as a 2023 launch feature.

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

None9Retailer pagetarget.com/p/-/A-89156704Read 23 October 2026Target expert support answer explicitly identifies soldered switches and no hot-swap for exact V4 X.

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-xRead 23 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-xRead 23 October 2026

Legend method

Not available

Doubleshot1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 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

Yes8Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026Review states RGB light passes through keycaps.

Performance

0 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 X

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

Source3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026Exact V4 X technical table says up to 1000 Hz. It is USB wired only. The standard V4 and V4 Pro 8000 Hz values are excluded.

Max polling rate

1,000Hz=CalculatedFrom Polling rate per connection

1,000Hz=CalculatedFrom Polling rate per connection

Polling rate (wired)

1,000Hz=CalculatedFrom Polling rate per connection

1,000Hz=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

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.

Yes3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026

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

5 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)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 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.

No8Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026Exact review explicitly states non-detachable braided cable.

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.

None8Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026Fixed integrated cable. No detachable keyboard input socket.

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/BLACKWIDOWV4X-00000659-en.pdfRead 23 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.

Braided8Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026

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.

Not available

USB passthrough

Not available

No3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026

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.

Not available

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 aluminum alloy top case and plastic bottom case2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 20268Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026Exact review identifies aluminum upper and plastic lower case. Maker manual identifies 5052 alloy upper.

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

PCB foam2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

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

4 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 key1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 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

Not available

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 RGB1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Controls

7 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.

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.

Fn layer2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 9 uses Fn+Insert/Home/Page Down for playback and Fn+Delete for mute.

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.

02Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Playback and mute are Fn shortcuts. Roller is separate and no dedicated physical media buttons appear on complete map.

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.

Roller2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 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.

02Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026No rotary knob. The horizontal roller is represented by volume_control.

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.

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.

62Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

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/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Software

4 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 Synapse 43Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026Current support lists Synapse 4. Original manual describes Synapse 3.

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.

Windows3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026

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.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 5 explicitly states hybrid onboard storage for five profiles. Current EU page says None. Manual is preferred, with conflict reported for human review.

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

Not available

52Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 5 states hybrid storage for up to five profiles. Current EU tech table says onboard memory None, while the exact original manual says five. Manual is preferred under source hierarchy. No verified later hardware change found.

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/BLACKWIDOWV4X-00000659-en.pdfRead 23 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/BLACKWIDOWV4X-00000659-en.pdfRead 23 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/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 13 Hypershift is a secondary key assignment set in addition to standard mapping.

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.

Yes3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026Exact RZ03-0470 firmware updater is listed as article 14183.

Ergonomics

0 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.

None3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026

Wrist rest material

Not available

Not available

Tenting

Not available

Not available

Tenting angles

Not available

Not available

Dimensions and weight

2 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.

Width466Depth152.5Height39.6mm(18.3 × 6 × 1.6 in)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 5 approximate size 466 x 152.5 x 39.6 mm. Current support page gives 43.9 mm height. Manual takes priority.

Dimensions with wrist rest

Not available

Not available

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.

1,087g(2.4 lb)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 5 approximate weight 1087 g. Cable is permanently attached and included. Current support page gives 1136.3 g. Manual takes priority.

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

Not available

Not available

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

None of 2 known

Platform certifications

Not available

Not available

Other certifications

Not available

Not available

In the box

1 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.

Razer BlackWidow V4 X, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 3 lists keyboard and Important Product Information Guide. Fixed cable is part of keyboard.

Cables included

Not available

Not available

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-x5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026

Spec sheet

Not available

www.razer.com/gaming-keyboards/razer-blackwidow-v4-x2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

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/BLACKWIDOWV4X-00000659-en.pdf2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 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.

2years1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

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