Attack Shark X820 Ultra Keyboard
The Attack Shark X820 Ultra keyboard combines compact 75% functionality with premium features, including a smart TFT display, CNC aluminum knob, upgraded gasket-mount structure, hot-swappable linear switches, and a massive 4000mAh battery for uninterrupted productivity and gaming.

Technical Specifications
Is the Attack Shark X820 Ultra Right For You?
✓ Best For
- ✔ Gamers wanting a space-saving 75% layout with smart display
- ✔ Enthusiasts seeking a deep ‘thocky’ sound via 5-layer gasket mount
- ✔ Multi-device users requiring seamless tri-mode switching
- ✔ Customizers who want hot-swap flexibility and QMK support
✗ Not Ideal For
- ✗ Users who strictly require a full-size numpad
- ✗ Those preferring loud clicky switches over linear smoothness
- ✗ Users who prefer an all-aluminum chassis build
Key Features of the X820 Ultra Keyboard

TFT Screen & Aluminum Knob
Built-in 0.85-inch TFT display shows time, battery, and custom GIFs. Precision CNC metal knob allows instant volume adjustment and lighting control with intuitive press-to-adjust functionality.

Tri-Mode Multi-Device Tasking
Seamlessly switch between Bluetooth 5.0, 2.4GHz wireless, and USB-C wired connections. Connect up to 5 devices simultaneously with quick hotkey switching for efficient multitasking.
5-Layer Gasket Dampening
PORON sandwich cotton, IXPE switch pads, PET voice pad, EPDM muffler foam, and silicone base pad maximize noise reduction for pure HIFI typing experience with zero rattle.
Hot-Swap & QMK Support
1.2mm FR4 single-key slotted PCB supports 3/5-pin hot-swapping. Fully programmable via QMK (qmk.top) for per-key RGB, macro programming, and advanced key remapping.
4000mAh Battery & Smart Power
Massive 4000mAh battery with smart power-saving ensures weeks of wireless use. Check battery level instantly via TFT screen or FN shortcut for uninterrupted sessions.
South-Facing RGB & PBT Keycaps
16.8 million south-facing LEDs with 19 preset effects illuminate from typist’s angle without switch interference. Durable OEM PBT keycaps resist shine and provide comfortable feel.
Platform Compatibility
| Platform | Supported | Notes |
|---|---|---|
| Windows PC | ✔ Full | Full software & QMK support |
| macOS | ✔ Full | Native compatibility via mode switch |
| Smartphones | ✔ Full | Via Bluetooth 5.0 |
| Tablets (iPad/Android) | ✔ Full | Via Bluetooth 5.0 |
What’s In The Box
Common Questions About the X820 Ultra Keyboard
Does the Attack Shark X820 Ultra have a smart screen?
Yes. The X820 Ultra features a built-in 0.85-inch TFT smart display that shows time, battery level, connection status, and custom GIF animations. It also includes a CNC metal knob for volume and lighting control.
Is the Attack Shark X820 Ultra keyboard hot-swappable?
Yes, fully. It features a 1.2mm FR4 single-key slotted PCB compatible with both 3-pin and 5-pin mechanical switches, allowing for easy customization without soldering.
How long does the 4000mAh battery last?
Weeks of regular use. The massive 4000mAh lithium battery provides exceptional wireless endurance, easily lasting through weeks of typing and gaming on a single charge depending on RGB usage.















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