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8BitDo Retro 18 Mechanical Numpad

8BitDo Retro18 Numpad Mechanical Keyboard

The 8BitDo Retro 18 Numpad is a compact mechanical numpad designed for users who need both numeric input and calculator functions in one device. It suits office workers, students, or anyone who frequently switches between data entry and calculations. Its retro-inspired design and multiple connectivity options make it flexible for desktop setups and mobile use with Windows and Android devices.</p... Read more
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Compare 8BitDo Retro18 Numpad vs Gamakay TK75HE V2 vs Keychron K0 Max Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
8BitDo Retro18 NumpadGamakay TK75HE V2Keychron K0 Max
8BitDo Retro 18 Mechanical Numpad
-10% off
76
Gamakay TK75HE V2 Hall Effect keyboard 8K Polling Rate 0.005mm RT Accuracy
90
Keychron K0 Max QMK Wireless Custom Number Pad
0.0 (0)
0.0 (0)
3.7 (14)
  • Released in 2024
  • Includes a Yes display
  • Equipped with a 1000 mAh battery
  • Weighs about 300 g
  • Sized at 46 x 104 x 170 mm
  • Made with a Plastic, Aluminum case
  • Features PBT, ABS keycaps
  • Offers No RGB lighting
  • Has Magnetic switch options
  • Available in a 75% layout
  • Built with the ISO, ISO-DE, ISO-UK, ANSI layout standard
  • Includes a Yes, TFT display
  • Utilizes Hall effect sensors
  • Enables rapid trigger functionality
  • Supports Wired, Wireless connectivity
  • Runs at a 8000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 840 g
  • Sized at 20 x 325 x 136 mm
  • Made with a ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb RGB lighting
  • Has Linear, Tactile, Clicky switch options
  • Features a low-profile design
  • Includes a No display
  • Supports QMK firmware
  • Supports VIA configuration
  • Includes screw-in stabilizers
  • Uses a Plate Mount mounting style
  • Runs at a 1000 Hz polling rate
  • Equipped with a 750 mAh battery
  • Made with a Aluminum, Plastic case
  • Features PBT, POM keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 53.8
  • Build Quality: 69.8
  • Productivity: 49.2
  • Customizability: 50
  • Portability: 83.2
Scores
  • Performance: 98.6
  • Build Quality: 63.2
  • Productivity: 83
  • Customizability: 73.1
  • Portability: 79.8
Scores
  • Performance: 79
  • Build Quality: 84.7
  • Productivity: 95.1
  • Customizability: 92.8
  • Portability: 85.9
Name
8BitDo Retro18 Numpad
Name
Gamakay TK75HE V2
Name
Keychron K0 Max
Release year
2024
Release year
2025
Release year
2025
Switch Options
-
Switch Options
Magnetic
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
Numpad
Layout Size
75%
Layout Size
Numpad
Layout Standard
ANSI
Layout Standard
ISO, ISO-DE, ISO-UK, ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
TFT
Display Support
 
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
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
8000 Hz
Polling Rate
1000 Hz
Battery capacity
1000 mAh
Battery capacity
4000 mAh
Battery capacity
750 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
Top Mount
Mount Style
Top Mount
Mount Style
Plate Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Rgb
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Colors
Case Material
Plastic, Aluminum
Case Material
ABS
Case Material
Aluminum, Plastic
Keycaps Material
PBT, ABS
Keycaps Material
PBT
Keycaps Material
PBT, POM
Dimensions
46 x 104 x 170 mm
Dimensions
20 x 325 x 136 mm
Dimensions
-
Weight
300g
Weight
840g
Weight
-
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Product Description

The 8BitDo Retro 18 Numpad is a compact mechanical numpad designed for users who need both numeric input and calculator functions in one device. It suits office workers, students, or anyone who frequently switches between data entry and calculations. Its retro-inspired design and multiple connectivity options make it flexible for desktop setups and mobile use with Windows and Android devices.

Key Features

  • Dual-mode operation allows switching between a PC numpad and a standard calculator with one click, reducing the need for separate devices.
  • Dedicated shortcut button launches the Windows Calculator app quickly, saving time when working on Windows systems.
  • 9-digit 7-segment LED display provides clear calculator output, enhancing visibility in various lighting conditions.
  • Hot-swappable PCB supports easy switch replacement, allowing users to customize or repair switches without soldering.
  • N-key rollover ensures multiple simultaneous key presses register correctly, useful for fast or complex input.

Build Quality

  • Keycap materials vary by edition: dye-sub PBT keycaps on most editions offer durability and resistance to shine, while the C64 edition uses double-shot ABS keycaps.
  • Top mount style contributes to a stable typing surface and straightforward assembly.
  • Compact size and lightweight design make it portable and easy to reposition on a desk.

Connectivity

  • Supports wired USB Type-C, Bluetooth 5.0, and 2.4 GHz wireless connection, providing flexibility for different environments and devices.
  • No driver installation required, enabling immediate plug-and-play use across compatible systems.
  • 1000mAh battery supports wireless use, though exact battery life is unknown.

Compatibility

  • Works with Windows and Android operating systems, covering common desktop and mobile platforms.
  • Firmware updates are available via 8BitDo Ultimate Software V2, limited to firmware only without key remapping features.

Trade-offs

  • The 18-key layout is smaller than full numpads, which may limit some specialized input needs.
  • Calculator mode uses a 7-segment LED display, which is less versatile than modern LCD screens for complex calculations.
  • Firmware customization is limited, so users seeking extensive key remapping may find it insufficient.
  • Battery life details are not provided, so wireless endurance is uncertain.

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