Keychron K8 Max K8M-B1 QMK Wireless Mechanical Keyboard 87-Key TKL RGB
Keychron K8 Max is a wireless mechanical keyboard with 80% TKL layout, supporting 2.4GHz (1000Hz polling), Bluetooth 5.1, and wired USB-C connections. Features Keychron Super switches, QMK programmability, south-facing RGB backlighting, and 4000mAh battery.
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The Keychron K8 Max is a premium wireless mechanical keyboard featuring an 80% TKL (Tenkeyless) layout with 87 keys. It delivers exceptional performance across three connectivity modes: 2.4GHz wireless with a rapid 1000Hz polling rate for competitive gaming, Bluetooth 5.1 for seamless multitasking across up to three devices, and USB-C wired mode. The keyboard is powered by a robust ARM architecture MCU with 256KB Flash memory, enabling extensive customization through open-source QMK firmware and the Keychron Launcher web application.
Built for comfort and durability, the K8 Max features exclusive Keychron Super mechanical switches with a lifespan of up to 50 million clicks, double-shot PBT keycaps with OSA profile (OEM with spherical angle), and south-facing RGB backlighting with 22+ customizable effects. The keyboard incorporates multiple layers of acoustic foam (IXPE, PET, and EPDM) combined with a steel plate for superior sound quality and typing experience. Screw-in PCB stabilizers ensure smooth operation on larger keys, while three adjustable typing angles (3.4°, 7.7°, 10.7°) provide ergonomic support. The 4000mAh rechargeable battery delivers approximately 190 hours of wireless operation with backlighting off, or 100 hours with RGB at lowest brightness.
- 87-key TKL layout with ANSI US configuration
- Triple connectivity: 2.4GHz RF (1000Hz), Bluetooth 5.1 (90Hz), USB-C wired (1000Hz)
- Keychron Super mechanical switches with south-facing RGB
- QMK firmware and Keychron Launcher programmability
- Double-shot PBT keycaps with OSA profile
- 4000mAh battery with 190+ hours runtime
- Screw-in PCB stabilizers and steel plate construction
- Three adjustable typing angles for ergonomic support
| Model Number | K8M-B1 |
| Layout | 80% TKL (Tenkeyless) |
| Number of Keys | 87 keys |
| Key Layout | ANSI US |
| Switch Type | Keychron Super Mechanical |
| Switch Face | South-facing |
| Switch Lifespan | Up to 50 million clicks |
| Keycap Material | Double-shot PBT |
| Keycap Profile | OSA (OEM profile with spherical angle) |
| Frame Material | ABS / ABS+Aluminum |
| Stabilizers | Screw-in PCB stabilizers |
| Polling Rate (2.4GHz) | 1000 Hz |
| Polling Rate (Wired) | 1000 Hz |
| Polling Rate (Bluetooth) | 90 Hz |
| N-Key Rollover | Yes (NKRO) for wireless and wired modes |
| Connectivity | 2.4GHz wireless, Bluetooth 5.1, USB Type-C wired |
| Bluetooth Version | 5.1 |
| Wireless Devices | Up to 3 devices via Bluetooth |
| Battery Capacity | 4000 mAh rechargeable Li-polymer |
| Battery Life (Backlit Off) | Approximately 190 hours |
| Battery Life (RGB On) | Approximately 100 hours (lowest brightness) |
| Backlighting | South-facing RGB with 22+ customizable effects |
| Backlighting Types | 22 types of RGB backlight options plus endless possibilities |
| Programmability | QMK firmware and Keychron Launcher web app |
| MCU | ARM architecture with 256KB Flash memory |
| Multimedia Keys | 12 multimedia keys |
| Acoustic Foam | IXPE, PET, and EPDM foam layers |
| Plate Material | Steel plate |
| Typing Angles | Three adjustable angles: 3.4°, 7.7°, 10.7° |
| Compatible Systems | macOS, Windows, Linux |
| Keyboard Dimensions | 354.21 x 124.18 mm (13.94 x 4.89 inches) |
| Keyboard Weight | 1158 g (2.55 lbs) - plastic frame version |
| Included Accessories | USB Type-C cable, 2.4GHz receiver with extension adapter, keycap puller, screwdriver, stabilizers, keycaps, switches |