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Keychron K8 Ultra 8K

KeychronEnthusiast keyboard

K8 Ultra 8K

Released June 2026.8Press articlegreen-keys.info/keychron-k2-ultra-8k-k8-ultra-8kRead 8 October 2026Contemporaneous June 13, 2026 launch report says K2 Ultra / K8 Ultra launched June 12, points to maker June 11 social announcement, and confirms Global official sales. Store month to avoid timezone-dependent day. Product.js published June 11 corroborates month, not independently retail availability. Last checked 16 October 2026.

Form factor
TKL
Switch sensing technology
Mechanical
Connections
USB (wired), 2.4 GHz, Bluetooth
Max polling rate
8,000Hz

86 of 164 fields known.

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At a glance

  • Battery life, lighting on

    230h

    Higher than all other keyboards.

All specs

SourceCalculated

General

Series
K Ultra2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Model numbers
K8U-J11Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 8 October 2026Exact Global/US variant Fully Assembled / Black / Keychron Apex Switch - Red. Brown K8U-J3 and Banana K8U-J4 are excluded from this reference configuration.
GTIN / EAN
48949790579691Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 8 October 2026Exact K8U-J1 variant barcode. Shopify weight 0 is a placeholder, not keyboard mass.
Announced
Not available
Status
Available6Reviewpcgamer.com/hardware/gaming-keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026August 19, 2026 tested retail-model review establishes released product. Does not claim current in-stock status.
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Black1Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 8 October 2026
Segment
Enthusiast2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026Customizable wireless mechanical keyboard marketed for typing, work and gaming.
Sold as
Complete1Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 8 October 2026Fully assembled reference variant includes fitted Apex Red switches and PBT keycaps.

Layout

Form factor
TKL2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Layout standard
ANSI2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Regional layouts
US English2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026Global/US ANSI reference has US English legends. Regional ISO/JIS products are not inherited.
Keys in regional layout
875Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026Printed p 10 states 87. Physical typing/function keys, including top-right ordinary key positions, not separate rotary/media controls.
Key legends for
macOS, Windows2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Numpad
No5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026TKL manual complete layout pp 12-15 excludes number pad.
Function row
Yes5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026Complete ANSI layouts pp 12-15 include F1-F12.
Dedicated arrow keys
Yes5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026Complete layouts pp 12-15 show separate four arrows.
Navigation keys
Full5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026Layouts include separate Home, End, PageUp, PageDown.
Key stagger
Row-staggered5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026ANSI layout drawings pp 12-15 show staggered typing rows.
Bottom row
Not available
Low profile
Not available

Switches

Switch sensing technology
Mechanical5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026
Switch feel
Linear3Maker product pagekeychron.com/cdn/shop/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-switch-5.pngRead 8 October 2026Apex Red column explicitly Linear. Other switch columns excluded.
Switch maker
Keychron2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Switch models
Apex Red2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Switch stem
MX cross4Maker product pagekeychron.com/cdn/shop/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-switch-2-2.pngRead 8 October 2026Exact Apex diagram explicitly labels POM, MX stem. Reinforced wall/box around MX-compatible stem is not a different keycap mount.
Actuation force
45gf3Maker product pagekeychron.com/cdn/shop/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-switch-5.pngRead 8 October 2026Apex Red operating force 45 ±10 gf at fixed mechanical pre-travel 2.0 ±0.5 mm. This is not initial spring or bottom-out force.
Bottom-out force
Not available
Tactile bump force
Not available
Actuation point
2mm3Maker product pagekeychron.com/cdn/shop/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-switch-5.pngRead 8 October 2026Red pre-travel 2.0 ±0.5 mm. Mechanical contact actuation, not an adjustable setting.
Total travel
4mm3Maker product pagekeychron.com/cdn/shop/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-switch-5.pngRead 8 October 2026Apex Red travel 4.0 mm with published tolerance +0.1/-0.4 mm.
Rated keystrokes
Not available
Factory-lubed switches
Yes2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Adjustable actuation
Not available
Actuation range
Not available
Actuation step
Not available
Per-key actuation
Not available
Rapid trigger
No6Reviewpcgamer.com/hardware/gaming-keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026Exact review expressly says no rapid trigger. Firmware version unstated, this is the reviewed 2026 feature scope.
Minimum rapid trigger movement
Not available
Multi-action keys
Not available
SOCD handling
Yes7Reviewtechradar.com/computing/keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026Exact tested K8 Ultra Launcher has SOCD with three modes for key priority. This is software-assisted binary key handling, not proof of analog gamepad output. Firmware version unstated.
Analog input
Not available
Hot-swap sockets
5-pin6Reviewpcgamer.com/hardware/gaming-keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026Exact K8 Ultra review explicitly 3/5-pin compatibility and tested a Cherry MX replacement. Tested Brown configuration shares same chassis/PCB. No transferred Brown force or latency.
Compatible switches
3-pin and 5-pin MX-style mechanical switches6Reviewpcgamer.com/hardware/gaming-keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026Conventional mechanical MX-style switches. Does not establish magnetic-switch support.
Stabilizers
PCB screw-in2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Factory-lubed stabilizers
Not available

Keycaps

Keycap material
PBT2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Legend method
Doubleshot2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Keycap profile
OSA2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Keycap thickness
Not available
Shine-through legends
No2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026

Performance

Polling rate per connection
ConnectionPolling rate (Hz)Receiver or adapter
USB (wired)8,000Not available
2.4 GHz8,000Included Type-A 2.4 GHz receiver
Bluetooth125Not available
Source2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026Selectable maxima. Manual p 19 states default wired / 2.4 GHz 1000 Hz and Bluetooth 125 Hz. Launcher changes report rate. No scan rate or latency is calculated.
Max polling rate
8,000Hz
Polling rate (wired)
8,000Hz
Polling rate (2.4 GHz)
8,000Hz
Polling rate (Bluetooth)
125Hz
Scan rate
Not available
Input latency (claimed)
Not available
Key rollover per connection
ConnectionRollover
USB (wired)NKRO
2.4 GHzNKRO
BluetoothNKRO
Source2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026Exact specifications state NKRO for both wireless and wired modes. Wireless includes its listed Bluetooth and 2.4 GHz modes.
Anti-ghosting
Not available
Adjustable debounce
Yes7Reviewtechradar.com/computing/keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026Exact review identifies separate press/reset debounce sliders 10-50 ms with 1 ms increments.
Minimum debounce
10ms7Reviewtechradar.com/computing/keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026Lowest selectable 10 ms in reviewer Launcher interface. Not a measured end-to-end latency or a firmware-independent physical delay.

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), 2.4 GHz, Bluetooth2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Wireless technology
Not available
Bluetooth
5.22Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Bluetooth device slots
35Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026p 18 explicitly pairs three Bluetooth hosts via Fn+1/2/3. Layer diagrams misprint BTH2 twice, p 16 correctly identifies BTH3.
Devices it can switch between
Not available
Device switching
Keys5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026p 18 short Fn+1/2/3 selects Bluetooth host. Rear switch chooses connection mode, not Bluetooth host.
Receiver connector
USB-A5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026
Receiver storage in keyboard
Not available
Receiver shared with other devices
Not available
Wireless range
10m5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026p 10 Bluetooth operating distance within 10 m in open space. Not a 2.4 GHz guarantee.
Detachable cable
Yes5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026
Port on keyboard
USB-C5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026
Cable plug
Not available
Cable
Not available
Cable length
Not available
USB passthrough
Not available
Works with
macOS, Windows, Linux, iOS, Android2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026Current exact specifications expressly support macOS, Windows, Linux. Manual separately names iOS and Android.5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026Manual pp 19-20 names macOS/iOS and Windows/Android modes. Current exact maker specifications also explicitly list Linux. Some multimedia shortcuts vary by host.
Consoles
Not available

Battery

Battery type
Li-Po2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Number of batteries
Not available
Battery capacity
4,000mAh2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
User-replaceable battery
Not available
Battery life per mode (claimed)
ConnectionLightingPolling rate (Hz)Hours (h)
2.4 GHzOff8,000760
2.4 GHzOn8,000230
Source2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026Maker up-to estimates in wireless 8K mode: 760 h backlight off, 230 h RGB at lowest brightness. Firmware version, active/idle workload and sleep policy unstated. Bluetooth 125 Hz is not the 8K condition. PC Gamer quotes 225 h on without a test, current maker 230 h takes precedence.
Longest battery life (claimed)
760h
Battery life, lighting off
760h
Battery life, lighting on
230h
Battery life, backlight on (claimed)
Not available
Battery life, backlight off (claimed)
Not available
Charging port
USB-C5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026
Full charge time
300min5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026pp 10 and 17 state around 5 hours. Approximate maker claim, not measured recharge. Charging up to 5 V 1 A, recommends 5 V 1 A adapter or USB 3.0.
Quick charge
Not available
Use while charging
Yes2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Solar charging
Not available
Battery indicator
LED, Reported to the OS5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026Printed p 10 physical power LED indicates charging, full and low power. Battery shortcut in pp 13/15 does not specify its display mechanism, so key-lighting output is not inferred.6Reviewpcgamer.com/hardware/gaming-keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026Reviewer explicitly observes the keyboard battery percentage in Windows settings. This establishes OS reporting on the tested Windows setup.

Build

Case material
CNC aluminum frame and ABS bottom case2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Plate material
Steel2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Mount style
Not available
Flex cuts in PCB
Not available
Sound dampening
Plate foam, PCB foam, Case foam, Silicone bottom, Other2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026Exact component list identifies EVA foam, IXPE between switches/PCB, EPDM foam, PET film, bottom-case PET film and silicone bottom pad. PET layers use other, not an assumed adhesive tape layer.
Typing angles
Not available
Spill resistant
Not available
IP rating
Not available

Lighting

Backlight
RGB per key2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
LED position
South-facing2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Lighting zones
Not available
Brightness levels
Not available
Side or underglow lighting
Not available
Lighting sensors
Not available
Lighting sync
Not available

Controls

Media keys
Fn layer5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026Mac default top-row multimedia keys. Windows playback via Fn layer 3. These are shared function positions, not additional dedicated media buttons.
Separate media buttons
Not available
Volume control
Keys5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026F11/F12 or Fn-layer equivalent. No knob.
Knobs
06Reviewpcgamer.com/hardware/gaming-keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026Reviewer expressly notes no rotary volume knob.
Programmable knob
Not available
Knob press
Not available
Separate macro keys
Not available
Built-in screen
Not available
Touchpad
Not available
Fingerprint reader
Not available
OS mode switch
Switch5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026
Windows key lock
Not available

Software

Software
Keychron Launcher2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Software runs on
Web2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026Browser app in current Chrome/Edge/Opera. Configuration requires wired connection. Keyboard OS support is broader than software connection support.
Open firmware
ZMK2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Onboard memory
Yes5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026p 8 expressly says four layers of key settings on the keyboard and hardware OS toggle activates the appropriate base layer. No profile-slot count inferred.
Onboard profiles
Not available
Macros
Yes2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Macros stored onboard
Not available
Key remapping
Yes2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026
Layers
45Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026p 8 explicitly four layers stored on keyboard: 0/1 Mac, 2/3 Windows.
User firmware updates
Yes5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026pp 8-9 Keychron Launcher firmware flashing, wired mode required.

Ergonomics

Wrist rest
None6Reviewpcgamer.com/hardware/gaming-keyboards/keychron-k8-ultra-8k-reviewRead 8 October 2026Review recommends a separately obtained rest. Exact TechRadar review also expressly notes no supplied wrist support.
Wrist rest material
Not available
Tenting
Not available
Tenting angles
Not available

Dimensions and weight

Dimensions
Width359.2Depth129.2mm(14.1 × 5.1 in)2Maker product pagekeychron.com/products/keychron-k8-ultra-8k-wireless-custom-mechanical-keyboardRead 8 October 2026Published width/depth only. Front 25.55 mm and back 31.28 mm explicitly exclude keycaps, so they are not stored as fitted-keycap height.
Dimensions with wrist rest
Not available
Keyboard weight
Not available
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
K8 Ultra 8K wireless mechanical keyboard, Type-C cable, Type-A to Type-C adapter, Keycap and switch puller, Manual, Quick Start Guide, Extra keycaps set, Extension adapter for receiver, Type-A 2.4 GHz receiver5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026Manual p 2 complete reference package list. Current maker box infographic additionally shows screwdriver/hex key, but these are absent from manual and excluded until exact supplied scope is reconciled.
Cables included
TypeCount
Type-C cable1
Source5Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K8_Ultra_8K_User_Manual.pdfRead 8 October 2026
Spare switches
Not available

Warranty

Manufacturer warranty (source market)
1year9Maker product pagekeychron.com/pages/warrantyRead 8 October 2026Global/US maker policy gives twelve months unless purchase documents explicitly state otherwise. Exact K8 Ultra manual says defective components are replaced during warranty rather than the whole customizable keyboard. Regional purchase terms and statutory rights may differ.

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Sources

We read 9 sources for this keyboard. The numbers match the markers in the sheet.

  1. Read 8 October 2026Backs 4 fields
  2. Read 8 October 2026Backs 35 fields
  3. Read 8 October 2026Backs 4 fields
  4. Read 8 October 2026Backs 1 field
  5. Read 8 October 2026Backs 26 fields
  6. Read 8 October 2026Backs 7 fields
  7. Read 8 October 2026Backs 3 fields
  8. Read 8 October 2026Backs 1 field
  9. Maker product pagekeychron.com/pages/warranty
    Read 8 October 2026Backs 1 field

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