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Redragon K521-R 104-Key Wired Membrane Gaming Keyboard

RedragonGaming keyboard

K521-R 104-Key Wired Membrane Gaming Keyboard

Released March 2025.2Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboard.jsRead 23 October 2026Store product data: page created and published on 2025-07-23. The Amazon listing was tracked from March 2025, so the board was on sale earlier. Last checked 23 October 2026.

Form factor
Full size
Switch sensing technology
Membrane
Connections
USB (wired)
Max polling rate
Not available

46 of 164 fields known.

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At a glance

All specs

SourceCalculated

General

Series
Not available
Model numbers
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
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.
Announced
Not available
Status
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.
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
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.
Colours
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 pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Product Category Gaming Keyboard.
Sold as
Complete1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Sold fully assembled with membrane keys.

Layout

Form factor
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 standard
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
US1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Variant name US.
Keys in regional layout
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
Windows1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows a Windows logo key.
Numpad
Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows a numpad.
Function row
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
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 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-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
Low profile
Not available

Switches

Switch sensing technology
Membrane1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Product name: Membrane Gaming Keyboard.
Switch feel
Not available
Switch maker
Not available
Switch models
Not available
Switch stem
Not available
Actuation force
Not available
Bottom-out force
Not available
Tactile bump force
Not available
Actuation point
Not available
Total travel
Not available
Rated keystrokes
Not available
Factory-lubed switches
Not available
Adjustable actuation
Not available
Actuation range
Not available
Actuation step
Not available
Per-key actuation
Not available
Rapid trigger
Not available
Minimum rapid trigger movement
Not available
Multi-action keys
Not available
SOCD handling
Not available
Analog input
Not available
Hot-swap sockets
Not available
Compatible switches
Not available
Stabilizers
Not available
Factory-lubed stabilizers
Not available

Keycaps

Keycap material
Not available
Legend method
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
Keycap thickness
Not available
Shine-through legends
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

Polling rate per connection
Not available
Max polling rate
Not available
Polling rate (wired)
Not available
Polling rate (2.4 GHz)
Not available
Polling rate (Bluetooth)
Not available
Scan rate
Not available
Input latency (claimed)
Not available
Key rollover per connection
Not available
Anti-ghosting
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
Minimum debounce
Not available

Measured

We could not find any of these 7 fields. Show them
Latency per connection (measured)
Not available
Actuation point (measured)
Not available
Total travel (measured)
Not available
Operating force (measured)
Not available
Typing noise (measured)
Not available
Battery life (measured)
Not available
Weight (measured)
Not available

Connectivity

Connections
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
Bluetooth
Not available
Bluetooth device slots
Not available
Devices it can switch between
Not available
Device switching
Not available
Receiver connector
Not available
Receiver storage in keyboard
Not available
Receiver shared with other devices
Not available
Wireless range
Not available
Detachable cable
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
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-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
Not available
Cable length
Not available
USB passthrough
Not available
Works with
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
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

We could not find any of these 16 fields. Show them
Battery type
Not available
Number of batteries
Not available
Battery capacity
Not available
User-replaceable battery
Not available
Battery life per mode (claimed)
Not available
Longest battery life (claimed)
Not available
Battery life, lighting off
Not available
Battery life, lighting on
Not available
Battery life, backlight on (claimed)
Not available
Battery life, backlight off (claimed)
Not available
Charging port
Not available
Full charge time
Not available
Quick charge
Not available
Use while charging
Not available
Solar charging
Not available
Battery indicator
Not available

Build

Case material
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
Mount style
Not available
Flex cuts in PCB
Not available
Sound dampening
Not available
Typing angles
Not available
Spill resistant
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
Not available

Lighting

Backlight
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
Lighting zones
61Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: 6-zone RGB backlighting.
Brightness levels
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
Lighting sensors
Not available
Lighting sync
Not available

Controls

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 buttons
03Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026The photo shows no separate media buttons. Media functions are Fn layer shortcuts.
Volume control
Keys3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: Fn plus F2 and F3 for volume down and up, Fn plus F4 for mute.
Knobs
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
Knob press
Not available
Separate 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
None1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No screen in the maker photo.
Touchpad
No1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No touchpad in the maker photo.
Fingerprint reader
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
Windows key lock
Yes3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: FN plus Win locks the Windows key.

Software

We could not find any of these 10 fields. Show them
Software
Not available
Software runs on
Not available
Open firmware
Not available
Onboard memory
Not available
Onboard profiles
Not available
Macros
Not available
Macros stored onboard
Not available
Key remapping
Not available
Layers
Not available
User firmware updates
Not available

Ergonomics

Wrist 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
Not available
Tenting
Not available
Tenting angles
Not available

Dimensions and weight

Front and side, drawn to scale.

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
Keyboard weight
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 rest
Not available
Box dimensions
Not available
Box weight
Not available

Certifications

We could not find any of these 2 fields. Show them
Platform certifications
Not available
Other certifications
Not available

In the box

In the box
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
Spare switches
Not available

Warranty

We could not find any of these 1 fields. Show them
Manufacturer warranty (source market)
Not available

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Sources

We read 4 sources for this keyboard. The numbers match the markers in the sheet.

  1. Read 23 October 2026Backs 36 fields
  2. Read 23 October 2026Backs 2 fields
  3. Read 23 October 2026Backs 10 fields
  4. Read 23 October 2026Backs 1 field

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