Keyboards / Compare

CORSAIR K55 RGB PRO Gaming Keyboard vs Redragon K521-R 104-Key Wired Membrane Gaming Keyboard

A

Product A: CORSAIR

K55 RGB PRO Gaming Keyboard

61 of 164 known

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B

Product B: Redragon

K521-R 104-Key Wired Membrane Gaming Keyboard

46 of 164 known

Change Redragon K521-R 104-Key Wired Membrane Gaming Keyboard

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All 164 fields

Every value links to where we found it.

Only differences

ACORSAIR K55 RGB PRO Gaming Keyboard

BRedragon K521-R 104-Key Wired Membrane Gaming Keyboard

General

4 of 9 differ

Series

K551Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard Type Size K55.

Not available

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

CH-9226765-NA1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026SKU CH-9226765-NA. The Taiwan SKU CH-9226765-TW and the Revival Series refurbished SKU CH-9226765-NA-RV are not part of this record.

K521-R1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Product name Redragon K521-R 104-Key Wired Membrane Gaming Keyboard. Amazon calls the same listing K521, with model number K521.

GTIN / EAN

84000663179810Retailer pagearsenalpc.com/product/gaming-accessories/keyboards/corsair-k55-rgb-pro-keyboardRead 15 October 2026ArsenalPC listing for the CORSAIR K55 RGB PRO Keyboard shows the code 840006631798 in its description and image name. This is the UPC. eBay listings for CH-9226765-NA show the same number with a leading zero.

69503767253702Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboard.jsRead 23 October 2026Store product data: the one US variant has barcode 6950376725370.

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

31 March 20214Press releasecorsair.com/newsroom/press-release/start-your-winning-streak-corsair-launches-k55-rgb-pro-and-k55-rgb-pro-xt-gaming-keyboardsRead 15 October 2026Dateline Fremont, CA, March 31st, 2021. 9to5Toys posted the news on March 30, 2021.

Not available

Status

Available1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026US page shows Current price 69.99 USD and an estimated delivery date on the access date. This is the current price and not the launch price.

Available3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Amazon shows In Stock at 15.99 USD with 4K+ bought in the past month. Sold by Redragon Official. The maker store page shows Sold Out for the same board.

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.

$49.995Press article9to5toys.com/2021/03/30/corsair-k55-rgb-pro-xt-keyboardRead 15 October 2026Article of March 30, 2021: the K55 RGB PRO will retail for 49.99 USD (the K55 RGB PRO XT for 69.99 USD). US price. Tax treatment is not stated. US prices are normally listed without sales tax.

Not available

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

Not available

Not available

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

US, CA2Maker product pagecorsair.com/ca/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Corsair Canada page sells the same SKU CH-9226765-NA. The US page covers the US.

US1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Store page ships to US and the variant is US.

ColoursiThe maker's own colour names

Black1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard Color BLACK.

Black3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Item details: Color Black, Style Classic. The listing also sells other styles in other prices and layouts that are not this model. The Redragon store page links to this ASIN. Seller is Redragon Official.

Segment

Gaming1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Listed under Gaming Keyboards, Wired Gaming Keyboards.

Gaming1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Product Category Gaming Keyboard.

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

Complete1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Sold fully assembled with fixed rubber dome switches.

Complete1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Sold fully assembled with membrane keys.

Layout

1 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-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard Form Factor Extended With Macro Keys and Keyboard Matrix 110 Keys. The layout is a full-size 104-key board plus six macro keys.

Full size1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Number of keys 104. Collection: Full-size Keyboards.

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

ANSI3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram shows a horizontal Enter, a long left Shift and a backslash key above Enter, which is ANSI.

ANSI1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo: horizontal Enter, long left Shift and a backslash key above Enter. That is ANSI.

Regional layouts

NA1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard Layout NA.

US1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Variant name US.

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-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard Matrix 110 Keys, with Macro Keys 6. The quick start guide diagram shows 104 typing and function keys plus G1 to G6, which is 110. Stored as 104 because macro keys are excluded. The seven media and volume keys and the M, brightness and Windows lock buttons are separate.3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram counted row by row: 104 keys without G1 to G6.

1041Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Number of keys 104. The maker photo shows a standard 104-key layout with the right Windows and menu keys replaced by Fn and a backlight key.

Key legends for

Windows3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram shows a Windows logo key.

Windows1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows a Windows logo key.

Numpad

Yes3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram shows a numpad.

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows a numpad.

Function row

Yes3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram shows F1 to F12.

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows F1 to F12.

Dedicated arrow keys

Yes3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram shows an inverted-T arrow cluster.

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows an inverted-T arrow cluster.

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

Full3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram shows Insert, Home, Page Up, Delete, End and Page Down as separate keys.

Full1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows Ins, Home, Pg Up, Del, End and Pg Dn as separate keys.

Key stagger

Row-staggered3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram shows row-staggered keys.

Row-staggered1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows row-staggered keys.

Bottom row

Not available

Not available

Low profile

Not available

Not available

Switches

1 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-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Switch Type Rubber Dome and Key Switches Rubber Dome. Stored as membrane.

Membrane1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Product name: Membrane Gaming Keyboard.

Switch feel

Tactile1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Page: quiet and responsive keys for comfortable typing with a tactile bump.

Not available

Switch maker

Not available

Not available

Switch models

Not available

Not available

Switch stem

Not available

Not available

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

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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

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

Not available

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Total travel

Not available

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Rated keystrokes

Not available

Not available

Factory-lubed switches

Not available

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Adjustable actuation

Not available

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

Not available

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Actuation stepiSmallest documented increment between selectable actuation settings.

Not available

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

Not available

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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

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Multi-action keys

Not available

Not available

SOCD handling

Not available

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

Not available

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

Not available

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Compatible switches

Not available

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Stabilizers

Not available

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Factory-lubed stabilizers

Not available

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Keycaps

3 of 5 differ

Keycap material

ABS8Reviewtomsguide.com/computing/peripherals/corsair-k55-rgb-pro-review-just-good-enoughRead 15 October 2026Review of 18 Oct 2024, spec table: Keycaps ABS. The maker does not state the keycap material.

Not available

Legend method

Not available

Doubleshot1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: Double-shot keycaps (permanent legends).

Keycap profile

Not available

Not available

Keycap thickness

Not available

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

Not available

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Two-color translucent keycaps. The maker photos show the legends lit by the backlight.

Performance

3 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 RGB PRO Gaming Keyboard

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

Source1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard Report Rate 1,000Hz. Wired USB.

BRedragon K521-R 104-Key Wired Membrane Gaming Keyboard

Not available

Max polling rate

1,000Hz=CalculatedFrom Polling rate per connection

Not available

Polling rate (wired)

1,000Hz=CalculatedFrom Polling rate per connection

Not available

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

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Key Rollover 12-Key Selective with Anti-Ghosting. The 12-key figure fits no rollover option in the schema, so key_rollover is left out.

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: 25-key rollover anti-ghosting. The Amazon listing says 19 keys anti-ghosting. Neither figure fits a rollover option, so key_rollover is left out.

Adjustable debounce

Not available

Not available

Minimum debounce

Not available

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Measured

None of 7 known

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

Not available

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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

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

Not available

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

Not available

Not available

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

Not available

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Connectivity

2 of 18 differ

Connections

USB (wired)1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard Connectivity Wired.

USB (wired)1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Connection Wired.

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

No3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram shows the cable leaving the top edge of the keyboard with the USB connector at its end (J). There is no port on the keyboard.

No1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Same photo: the cable is fixed.

Port on keyboard

None3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Same diagram, no port on the keyboard.

None1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows the cable leaving the top edge and no port on the keyboard.

Cable plug

USB-A1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Wired Connectivity USB 2.0 Type-A.

USB-A3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Item details: Connectivity Technology USB-A. Some regional retailers describe a Type-C cable for the RGB Netherbane, which is not this listing.

Cable

Rubber1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard Cable Material Tangle-free rubber.

Not available

Cable length

Not available

Not available

USB passthrough

Not available

Not available

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

Windows, macOS1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs, Keyboard Compatibility: PC or Mac with a USB 2.0 Type-A port, Windows 10, macOS 10.15 or later.

Windows, macOS1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: Windows 10/11 plus macOS compatible. The Specification row lists only Windows 10 down to Windows XP. The Features line and the Amazon listing are stored.

Consoles

Xbox3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 2, Setting up your keyboard: connect to a USB 2.0 or better Type-A port on a Windows PC, Apple Mac or Microsoft Xbox One.

PlayStation, Xbox3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Title: Compatible with PC, Mac, PS4/5, Xbox. Bullet: Windows XP to Win11, PS4-5, Xbox, MacOS, no driver required. The Redragon store page does not mention consoles.

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

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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

2 of 8 differ

Case material

Plastic8Reviewtomsguide.com/computing/peripherals/corsair-k55-rgb-pro-review-just-good-enoughRead 15 October 2026Spec table: Construction Plastic. The review also lists measurements 18.9 x 6.54 x 1.36 inches and weight 1.3 lb, which differ slightly from the retailer figures and from the maker's 0.8.

ABS3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Item details: Keyboard Plate Material ABS. Amazon names it plate material and it is stored as the case 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

Not available

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-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Page: IP42 protection guards your keyboard against spill accidents and dust buildup.4Press releasecorsair.com/newsroom/press-release/start-your-winning-streak-corsair-launches-k55-rgb-pro-and-k55-rgb-pro-xt-gaming-keyboardsRead 15 October 2026Release: IP42-rated to protect against dust and spills.

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: spill-resistant design plus ergonomic tilt.3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: Spill-resistant Protection. Prevent accidental spills from interrupting your game.

IP rating

IP421Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Page: IP42.

Not available

Lighting

3 of 7 differ

Backlight

RGB zones1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Page: five RGB lighting zones with six onboard effects.

RGB zones1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: 6-zone RGB backlighting. Specification: Lighting Rainbow.

LED position

Not available

Not available

Lighting zones

51Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Page: program your own lighting effects across five RGB lighting zones.

61Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: 6-zone RGB backlighting.

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

Not available

41Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: 4 brightness levels. It is not stated whether off is counted.

Side or underglow lighting

Not available

Not available

Lighting sensors

Not available

Not available

Lighting sync

CORSAIR iCUE1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Page: iCUE Enabled Product.

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Controls

3 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-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Media Keys Dedicated Hotkeys. Page: dedicated volume and media keys.

Fn layer3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: 12 multimedia functions through Fn plus F1 to F12 (media player, play/pause, volume down and up, mute, next and previous track, stop, e-mail, home page, calculator and lock keyboard).

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

53Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 1 diagram: four media hotkeys H (stop, previous, play and pause, next) and a group of three volume hotkeys G. The Corsair comparison article lists play and pause, stop, next and last track, mute, volume up and volume down. Mute is a separate button, volume up and down are volume keys. Stored as 5.7Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/skiff-100-vs-skiff-100-plus-vs-k55-core-whats-the-differenceRead 15 October 2026Corsair article: seven dedicated media keys covering play and pause, stop, next and last track, mute, and volume up and down. Also lists a soft rubber palm rest with a textured surface and six dedicated macro keys.

03Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026The photo shows no separate media buttons. Media functions are Fn layer shortcuts.

Volume control

Keys1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Page: dedicated volume and media keys. The quick start guide shows three volume keys.

Keys3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: Fn plus F2 and F3 for volume down and up, Fn plus F4 for mute.

Knobs

03Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026No knob or roller in the page 1 diagram.

01Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No knob in the maker photo.

Programmable knob

Not available

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Knob press

Not available

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

61Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Macro Keys 6. Page: six dedicated macro keys.

01Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No separate macro keys in the maker photo.

Built-in screen

None3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026No screen in the page 1 diagram.

None1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No screen in the maker photo.

Touchpad

No3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026No touchpad in the page 1 diagram.

No1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No touchpad in the maker photo.

Fingerprint reader

No3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026No fingerprint reader in the page 1 diagram.

No1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No fingerprint reader in the maker photo.

OS mode switch

Not available

Not available

Windows key lock

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: WIN Lock Dedicated Hotkey.3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 3, Windows lock mode: press the Windows lock hotkey to disable the Windows key.

Yes3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: FN plus Win locks the Windows key.

Software

5 of 10 differ

Software

iCUE1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard CUE Software, Supported in iCUE.

Not available

Software runs on

Windows, macOS3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 2: install iCUE on a Windows PC or Apple Mac.

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Open firmware

Not available

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Onboard memory

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: On Board Memory Yes.

Not available

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

Not available

Not available

Macros

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Page: record macros onboard or program more complex macros through iCUE.

Not available

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

Yes3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026Page 4: in hardware mode macros are recorded to onboard storage.6Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/how-to-customize-onboard-lighting-and-macros-on-the-k55-rgb-pro-gaming-keyboardRead 15 October 2026Corsair guide: in hardware mode macros are recorded to the G-keys, up to 50 keystrokes.

Not available

Key remapping

Not available

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

Not available

Not available

User firmware updates

Not available

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Ergonomics

2 of 4 differ

Wrist rest

Detachable1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Wrist Rest Included Yes. Page: detachable palm rest.

None1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No wrist rest in the package contents.

Wrist rest material

Soft rubber, textured surface1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Page: soft rubber palm rest. The Corsair guide calls it a soft rubber palm rest with a textured surface.6Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/how-to-customize-onboard-lighting-and-macros-on-the-k55-rgb-pro-gaming-keyboardRead 15 October 2026Corsair comparison article: soft rubber palm rest with a textured surface.

Not available

Tenting

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Tenting angles

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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.

Width481Depth167Height36mm(18.9 × 6.6 × 1.4 in)9Retailer pageavadirect.com/K55-RGB-PRO-RGB-Wired-Black-Membrane-Gaming-Keyboard/Product/14013932Read 15 October 2026Listing gives 481mm x 167mm x 36mm without labels. Mapped by size: width 481, depth 167, height 36. The depth fits the keyboard without the palm rest. Tom's Guide gives 18.9 x 6.54 x 1.36 inches, which is 480.1 x 166.1 x 34.5 mm. The maker publishes no dimensions.

Width434Depth128Height31mm(17.1 × 5 × 1.2 in)1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Weight & Size: Product Size (L x W x H) 43.4X12.8X3.1cm. Mapped by size: width 434, depth 128, height 31. The measurement conditions are not stated.

Dimensions with wrist rest

Not available

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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.

Not available

581g(1.3 lb)1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Weight & Size: Product Weight 0.581kg.

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

Not available

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Box dimensions

Not available

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

Not available

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Certifications

None of 2 known

Platform certifications

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Other certifications

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In the box

1 of 3 differ

In the box

K55 RGB PRO Gaming Keyboard, Quick start guide, Safety leaflet, Warranty card1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Package Contents: K55 RGB PRO Gaming Keyboard, Quick start guide, Safety leaflet, Warranty card. The palm rest is listed in the specs as included and is not named separately.

Keyboard, User Manual1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Package Contents: 1 x Keyboard, 1 x User Manual.

Cables included

Not available

Not available

Spare switches

Not available

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Links

Not compared

Product page

www.corsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-na1Maker product pagecorsair.com/us/en/p/keyboards/ch-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026

redragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboard1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Redragon US store page. The only variant is US at 25.99 USD and it shows Sold Out on the access date. The page has a Buy on Amazon button that links to Amazon listing B0DRFGNWV1. The page has no description text.

Spec sheet

Not available

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Manual

assets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdf3Owner's manualassets.corsair.com/image/upload/corsairmedia/sys_master/productcontent/49_002202_AA_AP_K55_RGB_PRO_QSG_Web.pdfRead 15 October 2026English quick start guide, pages 1 to 4 of the PDF text, copyright 2021. It covers setup, hardware and software mode, hardware lighting, macro recording and Windows lock mode.

Not available

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

Not available

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Warranty

1 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-9226765-na/k55-rgb-pro-gaming-keyboard-ch-9226765-naRead 15 October 2026Tech specs: Keyboard Warranty 2 Year (US page). The March 2021 launch release says a limited lifetime warranty. The Revival Series page says 90 days.

Not available

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