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Redragon K721 Wired Mechanical Keyboard Magnetic Switches

Redragon K721

The Redragon K721 is a wired mechanical keyboard designed for gamers and typists who need fast, precise input and customization. Its ultra-compact 75% layout saves desk space while retaining essential keys. Adjustable Hall effect magnetic switches allow fine-tuning of key actuation, making it suitable for competitive gaming and responsive typing. This keyboard fits users who prioritize speed and customization over a full-size layout or wireless options.</p... Read more
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Compare Redragon K721 vs Skyloong GK75 vs Epomaker RT85 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Redragon K721Skyloong GK75Epomaker RT85
Redragon K721 Wired Mechanical Keyboard Magnetic Switches
75
SKYLOONG GK75 Rainbow Mechanical Knob Keyboard
-20% off
73
EPOMAKER RT85
0.0 (0)
4.0 (1)
4.8 (38)
  • Has Linear, Magnetic switch options
  • Utilizes Hall effect sensors
  • Enables rapid trigger functionality
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 803 g
  • Sized at 43 x 335 x 140 mm
  • Offers Yes, Rgb RGB lighting
  • Released in 2022
  • Has Tactile, Linear, Clicky, Silent switch options
  • Built with the ANSI, ISO layout standard
  • Comes with a knob
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, Wired only connectivity
  • Equipped with a 4000 mAh battery
  • Weighs about 1200 g
  • Sized at 36 x 323 x 41 mm
  • Made with a ABS, Aluminum case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face RGB lighting
  • Has Linear, Tactile, Silent switch options
  • Includes a Yes, TFT display
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 8000 mAh battery
  • Weighs about 1000 g
  • Sized at 40 x 360 x 138 mm
  • Made with a Plastic case
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 97.8
  • Build Quality: 58.1
  • Productivity: 51.9
  • Customizability: 55.4
  • Portability: 58
Scores
  • Performance: 78
  • Build Quality: 75.6
  • Productivity: 82.5
  • Customizability: 77.7
  • Portability: 79.1
Scores
  • Performance: 73.8
  • Build Quality: 65.4
  • Productivity: 75.5
  • Customizability: 65.9
  • Portability: 91.3
Name
Redragon K721
Name
Skyloong GK75
Name
Epomaker RT85
Release year
2025
Release year
2022
Release year
2025
Switch Options
Linear, Magnetic
Switch Options
Tactile, Linear, Clicky, Silent
Switch Options
Linear, Tactile, Silent
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI, ISO
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Display Support
 
TFT
Mac/Win Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
USB passthrough
 
Connection
Wired, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
8000 Hz
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
-
Battery capacity
4000 mAh
Battery capacity
8000 mAh
Hall Effect Support
 
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Gasket Mount
Mount Style
Gasket Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Colors
Case Material
-
Case Material
ABS, Aluminum
Case Material
Plastic
Keycaps Material
-
Keycaps Material
PBT, ABS
Keycaps Material
PBT
Dimensions
43 x 335 x 140 mm
Dimensions
36 x 323 x 41 mm
Dimensions
40 x 360 x 138 mm
Weight
803g
Weight
1200g
Weight
1000g
*Something incorrect or missing? Please
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Product Description

The Redragon K721 is a wired mechanical keyboard designed for gamers and typists who need fast, precise input and customization. Its ultra-compact 75% layout saves desk space while retaining essential keys. Adjustable Hall effect magnetic switches allow fine-tuning of key actuation, making it suitable for competitive gaming and responsive typing. This keyboard fits users who prioritize speed and customization over a full-size layout or wireless options.

Key Features

  • Adjustable Hall effect magnetic switches let you set actuation points from 0.01mm to 3.5mm in 0.1mm steps, enabling faster or more deliberate key presses depending on preference.
  • 8000Hz polling rate provides very fast input recognition, which can improve responsiveness in fast-paced games.
  • Rapid Trigger mode allows repeated key presses without fully releasing keys, useful for rapid-fire actions in gaming.
  • RGB backlighting offers 16.8 million colors with multiple modes and brightness settings, allowing visual customization.

Build Quality and Typing Experience

  • Gasket-mounted design uses a flexible mounting system that reduces typing fatigue and enhances key stability.
  • Hot-swappable switches allow users to replace or upgrade switches without soldering, supporting customization and maintenance.
  • Compact 75% layout balances space-saving with functionality, but lacks a dedicated number pad, which may affect users needing extensive numeric input.

Compatibility and Connectivity

  • Wired USB connection ensures stable, low-latency input but lacks wireless options.
  • Compatible with Windows XP through Windows 11, covering most PC users.

Trade-offs

  • The compact layout may not suit users who prefer full-size keyboards with dedicated function rows and number pads.
  • No wireless connectivity limits portability and convenience for some users.
  • Adjustable magnetic switches offer customization but may require time to dial in preferred settings.

Frequently Asked Questions (FAQ)

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