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- ATTACK SHARK X820 Ultra – Full Specification
ATTACK SHARK X820 Ultra – Full Specification
Quick Verdict
8.6
/10Excellent
What We Like
- Tri-mode wireless connectivity
- Premium gasket-mount typing feel
- Long battery life for wireless use
- Wide OS and layout compatibility
Watch Out For
- Wireless polling rate lower than wired
- Heavier than wired esports keyboards
- Proprietary software layer
- Exact layout details may vary by region
PROS
- Tri-mode wireless connectivity
- Premium gasket-mount typing feel
- Long battery life for wireless use
- Wide OS and layout compatibility
CONS
- Wireless polling rate lower than wired
- Heavier than wired esports keyboards
- Proprietary software layer
- Exact layout details may vary by region
Key Specs
Type Mechanical (Tri-Mode) Layout 75–80% Switch Mechanical (Hot-swappable) Polling Rate 1000 Hz wired / 125 Hz wireless Weight 900–1100 gSpecifications
Genral Info
| Brand | ATTACK SHARK |
| Model Name | X820Ultra |
| Series | X-Series |
| Type | Mechanical (Tri-Mode) |
| Layout | 75–80% |
| Release Year | 2025 |
| Use Case | Gaming, Productivity |
DESIGN & BUILD
| Frame Material | Aluminum + plastic (gasket structure) |
| Plate Material | PC or PP |
| Keycap Material | PBT |
| Color Options | Multiple |
| Dimensions (L × W × H) | Compact layout |
| Weight | 900–1100 g |
| Form Factor | Gasket-mount compact |
| Finish | Premium finish |
SWITCH & TYPING EXPERIENCE
| Switch Type | Mechanical (Hot-swappable) |
| Switch Options | Linear / Clicky / Tactile |
| Mount Type | Gasket mount |
| Stabilizers | Pre-lubed screw-in |
| Typing Angle | Adjustable feet |
| Key Rollover | Full NKRO (wired) |
| Actuation Force | 45 g |
| Key Travel | 3.5–4.0 mm |
| Typing Feel | Soft cushioned gasket feel |
PERFORMANCE
| Response Time (Bluetooth) | Low latency tri-mode |
| Response Time (Bluetooth) | Low latency tri-mode |
| Anti-Ghosting | 100% |
| Input Lag | Negligible |
| Latency Mode | 1000 Hz wired / 125 Hz wireless |
RGB & LIGHTING
| Backlight Type | Per-key RGB |
| LED Orientation | South-facing |
| Lighting Effects | Multiple modes |
| Custom Effects | Software supported |
| Brightness Levels | Adjustable |
| Control | Fn + software |
SOFTWARE & CUSTOMIZATION
| Firmware | Proprietary + VIA/QMK compatible |
| Key Remapping | Fully programmable |
| Macro Support | Yes |
| Profile Storage | 3 onboard profiles |
| Firmware Update | USB |
| Hotkey Shortcuts | Macros, RGB, media |
SOUND & COMFORT
| Acoustic Dampening | Foam + silicone layers |
| Typing Sound Profile | Thocky gasket sound |
| Gasket Mount | Yes |
| Noise Reduction | Multi-layer dampening |
| Wrist Rest | Optional |
| Tilt Feet | Adjustable feet |
Support and compatibility
| Software Support | Windows, macOS, Linux |
| Plug-and-Play | Yes |
| Layout Options | Win / Mac keycaps |
BATTERY & CONNECTIVITY
| Battery Capacity | 4000 mAh |
| Battery Type | Lithium |
| Battery Life (No RGB) | 180–240 hours |
| Battery Life (RGB On) | 60–80 hours (RGB on) |
| Charging Port | USB Type-C |
| Charge Time | ~3 hours |
| Wireless Mode | Bluetooth + 2.4GHz |
| Wired Mode | USB-C |
| Multi-Device Pairing | 3 devices |
| Switch Between Devices | Fn shortcuts |
| Polling Rate (Wired) | 1000 Hz |
| Polling Rate (Wireless) | 125 Hz |
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