Attack Shark X820Ultra White Contour 75% Mechanical Keyboard - Hot

In this review of the Attack Shark X820Ultra White Contour keyboard the bottom line is simple: this 75% layout is built for players and creatives who want a versatile, tactile board with premium sound and long wireless runtime. The reviewer found the keyboard's strongest appeal is its combination of a true gasket mount feel and a tuned 5-layer sound dampening system that produces a solid, thocky acoustic profile. It also offers flexible connectivity options and hot-swappable sockets, making it easy to personalize switches without soldering.

Key Features

• Tri-mode connectivity: Switch between Bluetooth 5.0, 2.4GHz wireless, or wired USB-C to suit laptops, desktops, and mobile devices with minimal fuss.
• Hot swappable sockets: Pre-lubed premium linear gift switches are installed but the board accepts most 3/5-pin switches so users can change the typing feel instantly.
• 5-layer sound dampening: A PORON sandwich, IXPE, PET pad, DEPDM foam and silicone base plus gasket mount deliver a clear, HIFI-style thock while reducing case ping and rattle.
• Custom TFT screen and CNC knob: A small programmable screen shows time, battery and menus while the metal knob controls volume and navigates settings.
• Durable construction: FR4 glass fiber PCB with per-key flex-cut, textured PC plate and factory-lubed stabilizers give consistent key feel and reduced wobble.
• Cloud driver support: Web-based driver lets users remap keys, program macros and upload custom GIFs for RGB control without local installs.

Who It's For

The X820Ultra is aimed at gamers and power users who want a compact 75% mechanical keyboard with premium acoustics and flexible wireless options; its full N-Key rollover and robust 4000mAh battery make it well suited to long sessions and competitive play. Enthusiast typists who appreciate a thocky gasket mount feel and like to tinker will value the hot-swap compatibility and high-quality dampening stack.

Those who should look elsewhere include users who require a full-size number pad or ultra-light travel keyboards, and buyers who prefer low-profile or membrane keys rather than a traditional mechanical feel. Also, if absolute silence is the goal, some may prefer dedicated silent switches despite the dampening.

Pros & Cons

Pros

• Rich, tuned acoustic signature from the 5-layer dampening plus gasket mount produces satisfying sound and reduced ping.
• Flexible connectivity and a large 4000mAh battery enable long wireless use across multiple devices.
• Hot-swappable 3/5-pin sockets and PBT side-print keycaps allow easy customization and long-lasting legend durability.
• Programmable TFT screen and cloud driver make customization approachable without local software.

Cons

• The 75% layout omits a dedicated number pad, which may not suit users who rely on extended keys.
• Out of the box the feel depends on included linear gift switches; some enthusiasts will swap switches to tune tactility.

Specifications

Layout	75%
Connectivity	Bluetooth 5.0 / 2.4GHz wireless / USB-C wired
Battery	4000mAh
Keycaps	Side-print PBT
Mount & Dampening	Gasket mount with 5-layer sound dampening foam
Hot-swap	3/5-pin hot-swappable sockets (pre-lubed linear switches installed)
Extras	Programmable TFT screen and CNC volume knob

Our Verdict

The Attack Shark X820Ultra White Contour is a compelling choice for gamers and keyboard enthusiasts who want a compact, customizable mechanical board with a premium acoustic profile and long wireless endurance. Its hot-swap flexibility, durable PBT keycaps and cloud-based customization add value, making it a strong pick when looking for quality sound and multi-device convenience at a reasonable price.

Frequently Asked Questions

Can I change the switches myself?
Yes. The board uses 3/5-pin hot-swappable sockets so you can swap compatible switches without soldering.

How long does the battery last?
The keyboard uses a 4000mAh battery for extended wireless sessions; actual runtime depends on usage and RGB settings.

Is the software easy to use?
The web-based cloud driver allows key remapping, macros and RGB or GIF uploads through a browser without installing local software.