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Helios 88

FE 21.3 Helios 88 Mechanical Keyboard

The FE 21.3 Helios 88 is a compact mechanical keyboard designed for users who want a balance between full functionality and desk space savings. Its 88-key layout retains essential keys while removing the number pad, making it suitable for office work, programming, and general typing. This keyboard fits users who prefer a wired connection and value straightforward customization without extensive wireless features.</p... Read more
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Specification
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Compare FE 21.3 Helios 88 vs Dygma Raise 2 vs OF1 OF Studio Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
FE 21.3 Helios 88Dygma Raise 2OF1 OF Studio
Helios 88
62
Dygma Raise 2
64
OF1 Keyboard Kit [Instock]
0.0 (0)
0.0 (0)
0.0 (0)
  • Released in 2025
  • Weighs about 2400 g
  • Made with a Aluminum case
  • Released in 2024
  • Has Tactile, Linear, Clicky, Silent switch options
  • Available in a Unknown layout
  • Built with the ANSI, ISO layout standard
  • Compatible with both Mac and Windows
  • Connects via USB-C
  • Features N-key rollover
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 4740 mAh battery
  • Weighs about 1000 g
  • Sized at 36 x 332 x 202 mm
  • Made with a Plastic case
  • Features PBT keycaps
  • Offers Yes, Rgb, White RGB lighting
  • Released in 2026
  • Available in a 60% layout
  • Weighs about 2550 g
  • Made with a Aluminum, Brass, Steel case
Scores
  • Performance: 47.2
  • Build Quality: 54
  • Productivity: 49.3
  • Customizability: 48.8
  • Portability: 44.1
Scores
  • Performance: 83.4
  • Build Quality: 43.5
  • Productivity: 76.5
  • Customizability: 68.2
  • Portability: 59.6
Scores
  • Performance: 44
  • Build Quality: 79.4
  • Productivity: 46
  • Customizability: 58.5
  • Portability: 70.1
Name
FE 21.3 Helios 88
Name
Dygma Raise 2
Name
OF1 OF Studio
Release year
2025
Release year
2024
Release year
2026
Switch Options
-
Switch Options
Tactile, Linear, Clicky, Silent
Switch Options
-
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
Unknown
Layout Size
Unknown
Layout Size
60%
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
 
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
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Polling Rate
-
Polling Rate
-
Polling Rate
-
Battery capacity
-
Battery capacity
4740 mAh
Battery capacity
-
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
-
Mount Style
Top Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Rgb, White
Backlight
 
Case Colors
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Plastic
Case Material
Aluminum, Brass, Steel
Keycaps Material
-
Keycaps Material
PBT
Keycaps Material
-
Dimensions
-
Dimensions
36 x 332 x 202 mm
Dimensions
-
Weight
2400g
Weight
1000g
Weight
2550g
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Product Description

The FE 21.3 Helios 88 is a compact mechanical keyboard designed for users who want a balance between full functionality and desk space savings. Its 88-key layout retains essential keys while removing the number pad, making it suitable for office work, programming, and general typing. This keyboard fits users who prefer a wired connection and value straightforward customization without extensive wireless features.

Key Features

  • Compact 88-key layout saves desk space while keeping arrow keys and navigation cluster accessible.
  • Wired USB connection ensures stable and consistent input, suitable for tasks requiring reliability.
  • Supports basic key remapping, allowing users to adjust layouts for improved productivity.

Build Quality

  • Constructed with a solid case material that provides durability and a stable typing platform.
  • Uses a standard mounting style that balances typing feel and sound control.

Typing Experience

  • Switch options offer tactile or linear feedback, catering to different typing preferences.
  • Sound profile is moderate, suitable for office environments without excessive noise.
  • Keycaps provide a comfortable surface for extended typing sessions.

Compatibility

  • Compatible with major operating systems, including Windows and macOS.
  • Firmware supports basic customization but does not include advanced macro programming.

Trade-offs

  • Lacks wireless connectivity, limiting flexibility for users who prefer a cable-free setup.
  • Customization options are limited compared to enthusiast-focused keyboards.
  • No dedicated software for deep macro or lighting customization.

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