Keychron

Keychron K8 Max K8M-B3 QMK Wireless Mechanical Keyboard Brown Switch RGB 80% US (Boxed)

SKU 40499 Brand Keychron EAN13 4895248881155
Wireless TKL (80%) mechanical keyboard with QMK customization, 2.4GHz (1000Hz polling), Bluetooth 5.1 (3 devices), wired USB-C. Keychron Super Brown switches, south-facing RGB, hot-swappable, PBT OSA keycaps, 4000mAh battery up to 190hrs.
Keyboards - Device Type Gaming Keyboard Office Keyboard
Keyboards - Special Features Hot Swappable Programmable Keys
Keyboards - Form Factor Tenkeyless (TKL / 80%)
Keyboards - Key Layout US
Keyboards - Switch Type Mechanical - Tactile
Keyboards - Connection Bluetooth Wired (USB) Wireless RF (USB Dongle)
Keyboards - Backlighting South-facing RGB

The Keychron K8 Max (K8M-B3) is a premium wireless mechanical keyboard featuring a TKL 80% (87-key) US ANSI layout. It supports tri-mode connectivity: 2.4GHz wireless with 1000Hz polling for low-latency gaming, Bluetooth 5.1 for seamless multi-device pairing (up to 3 devices), and wired USB-C. Programmable via open-source QMK firmware and Keychron Launcher web app for custom macros, layers, and key remapping.

Equipped with hot-swappable Keychron Super mechanical brown switches (tactile), south-facing per-key RGB backlighting (22+ effects), double-shot PBT OSA profile keycaps, screw-in PCB stabilizers, steel plate, and multi-layer acoustic foams (IXPE, EPDM, PET) for premium typing sound and feel. Features adjustable typing angles (3°, 7.7°, 10.7°), 4000mAh battery (190hrs backlit off, 100hrs RGB), NKRO, and Mac/Windows compatibility with multimedia keys.

  • ✅ Hot-swappable PCB for easy switch changes
  • ✅ 1000Hz polling in 2.4GHz/wired modes
  • ✅ South-facing RGB, no shine-through interference
  • ✅ Includes 2.4GHz receiver (Type-A + extension), USB-C cable, tools
  • ✅ Aluminum frame option available in series
LayoutTKL 80% (87 keys) US ANSI
SwitchesKeychron Super Mechanical Brown (Tactile)
KeycapsDouble-shot PBT OSA Profile
Connection2.4GHz (1000Hz), Bluetooth 5.1 (90Hz), USB-C Wired (1000Hz)
BacklightingSouth-facing RGB (22+ effects)
Battery4000 mAh (190hrs backlit off, 100hrs RGB low)
Polling Rate1000Hz (2.4GHz/Wired), 90Hz (BT)
N-Key RolloverYes (NKRO wireless/wired)
Hot-swappableYes (3/5-pin)
FrameABS + Aluminum frame option
StabilizersScrew-in PCB
CustomizationQMK Firmware, Keychron Launcher
Typing Angles3°, 7.7°, 10.7° adjustable
CompatibilitymacOS, Windows, Linux, iOS, Android
MCUARM Cortex-M4 256KB Flash