Not sure which keyboard to choose? Try the Keyboard Finder now!
New
Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection

Keychron K5 Ultra Mechanical Keyboard

The Keychron K5 Ultra is a slim wireless mechanical keyboard designed for users who want a low-profile typing experience with flexible connectivity and extensive customization. It suits professionals or hobbyists who value a compact 100% layout and the ability to program macros through software. Its compatibility with multiple operating systems makes it a versatile choice for mixed environments.</p... Read more
Compare prices from $114.00 to $145
Details
Specification
Price alert

Compare prices and purchase options

Click the coupon code for a discount. Features and specs may vary by model version.

Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard (US ANSI Layout)

Keychron (DE)
Keychron (DE)
No shipping to US
$145

Out of stock

Copy

Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection

Keychron (DE)
Keychron (DE)
No shipping to US
$145

Out of stock

Copy
*I may earn a commission if you purchase through these links. Thanks for your support!

Compare Keychron K5 Ultra vs Keychron K5 Pro vs Keychron K5 Max Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Keychron K5 UltraKeychron K5 ProKeychron K5 Max
85
Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection
88
Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
86
Keychron K5 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
0.0 (0)
4.8 (8)
3.9 (22)
  • Released in 2026
  • Built with the ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO-PT, ISO, ANSI layout standard
  • Comes with a knob
  • Runs at a 8000 Hz polling rate
  • Equipped with a 2600 mAh battery
  • Weighs about 566 g
  • Made with a ABS, Wood, Metal case
  • Features PBT keycaps
  • Released in 2023
  • Has Linear, Tactile, Clicky switch options
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, ANSI layout standard
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Sized at 18 x 120 x 435 mm
  • Made with a Aluminum, Plastic, ABS case
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
  • Released in 2024
  • Built with the ISO-DE, ISO-Nordic, ISO-UK, ISO, ANSI layout standard
  • Uses a PCB Mount mounting style
  • Sized at 18 x 424 x 119 mm
  • Made with a ABS, Aluminum case
  • Features PBT, ABS keycaps
Scores
  • Performance: 91.4
  • Build Quality: 75.6
  • Productivity: 92.6
  • Customizability: 90
  • Portability: 57.1
Scores
  • Performance: 81
  • Build Quality: 80
  • Productivity: 80
  • Customizability: 89.2
  • Portability: 53.1
Scores
  • Performance: 82.3
  • Build Quality: 82.1
  • Productivity: 89.8
  • Customizability: 90.4
  • Portability: 54.5
Name
Keychron K5 Ultra
Name
Keychron K5 Pro
Name
Keychron K5 Max
Release year
2026
Release year
2023
Release year
2024
Switch Options
Tactile, Linear, Clicky
Switch Options
Linear, Tactile, Clicky
Switch Options
Tactile, Linear, Clicky
Profile
Low Profile
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
100%
Layout Size
100%
Layout Size
100%
Layout Standard
ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO-PT, ISO, ANSI
Layout Standard
ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, ANSI
Layout Standard
ISO-DE, ISO-Nordic, ISO-UK, ISO, 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
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
8000 Hz
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
2600 mAh
Battery capacity
2000 mAh
Battery capacity
2000 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
-
Mount Style
Tray Mount
Mount Style
PCB Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, North-face, White
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Colors
Case Material
ABS, Wood, Metal
Case Material
Aluminum, Plastic, ABS
Case Material
ABS, Aluminum
Keycaps Material
PBT
Keycaps Material
ABS, PBT
Keycaps Material
PBT, ABS
Dimensions
-
Dimensions
18 x 120 x 435 mm
Dimensions
18 x 424 x 119 mm
Weight
566g
Weight
720g
Weight
720g
*Something incorrect or missing? Please
let me know
!

Product Description

The Keychron K5 Ultra is a slim wireless mechanical keyboard designed for users who want a low-profile typing experience with flexible connectivity and extensive customization. It suits professionals or hobbyists who value a compact 100% layout and the ability to program macros through software. Its compatibility with multiple operating systems makes it a versatile choice for mixed environments.

Key Features

  • Supports 2.4 GHz wireless, Bluetooth, and wired connections, allowing seamless switching between devices and use cases.
  • Customizable key functions and macros via the Keychron Launcher web app, enabling personalized workflows on a full-size layout.
  • Powered by ZMK firmware, it offers an 8K polling rate in wireless mode, which can benefit users needing responsive input.
  • Low-profile spherical-angled (LSA) keycaps reduce finger travel and may improve typing speed and comfort.
  • ISO layout options include Spanish, French, German, Italian, and Portuguese, supporting various regional preferences.

Connectivity

The keyboard supports three connection modes: wired USB, Bluetooth, and 2.4 GHz wireless. This flexibility allows users to connect to multiple devices or switch between wired and wireless depending on their environment or battery status.

Compatibility and Customization

The K5 Ultra works with Windows, macOS, and Linux, covering most desktop operating systems. Its ZMK firmware enables advanced key remapping and macro programming through a web app, which is useful for users who want to tailor their keyboard layout without complex software installations.

Trade-offs

  • The ultra-slim design and low-profile keycaps may feel less tactile or satisfying for users accustomed to traditional mechanical switches with higher travel.
  • Battery life claims are vendor-stated; real-world endurance may vary depending on usage and connection mode.
  • Unknown details on case material and mounting style limit assessment of durability and typing acoustics.

Discover and compare Keychron K5 Ultra alternatives

Explore products with similar features and specifications.
88
$87
Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K5 Pro
100%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

Compare specs
86
$94
Keychron K5 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K5 Max
100%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
PCB Mount

Compare specs
72
$115
Keychron K5 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 2
Keychron K5 V2
100%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
QMK,
Alu case

Compare specs
98
$94
Keychron V1 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V1 Max
75%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

Compare specs
98
$99
Keychron V5 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V5 Max
96%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

Compare specs
83
$125
Minilo75 Pro
Varmilo Minilo75 Pro
75%,
Hotswap,
Wireless,
Wired,
RGB,
VIA,
QMK,
Gasket Mount

Compare specs
94
$94
Keychron K10 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 2
Keychron K10 V2
100%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

Compare specs
92
$114
Keychron V3 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V3 Ultra
80%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
Knob,
VIA,
QMK,
Gasket Mount

Compare specs
91
$118
Keychron K4 HE Wireless Magnetic Switch Custom Keyboard ISO Layout Collection
Keychron K4 HE
96%,
Hotswap,
Wireless,
Wired,
RGB,
VIA,
QMK,
HE,
Rapid trigger,
Alu case,
Tray Mount

Compare specs
94
$94
Keychron V3 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V3 Max
80%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

Compare specs

Frequently Asked Questions (FAQ)

Other users are also interested in these products

Discover products that are frequently liked and visited by other users!