Gravastar Mercury V75- HE Gaming Keyboard

The GravaStar Mercury V75 HE is a premium 75% gaming keyboard built on Hall Effect magnetic switches - the same switch technology used by competitive esports pros. With 8,000Hz USB polling, 0.005mm trigger sensitivity, adjustable actuation depth and a five-layer acoustic foam stack, it pairs uncompromising performance with the dense, satisfying sound profile of a high-end custom build.

Key Features of the GravaStar Mercury V75 HE

Hall Effect magnetic switches

Magnetic Hall Effect switches read key position continuously - not just on or off - giving you 0.005mm sensitivity and continuous analogue input for racing, flight sims and precision aiming.

Adjustable actuation 0.1mm to 3.5mm

Set the trigger depth on a per-key basis between 0.1mm (lightning-fast) and 3.5mm (deliberate, typing-friendly). Different actuation points let WASD trigger early and modifier keys stay safely deep.

True 8,000Hz polling rate

An 8kHz USB polling rate combined with 256kHz key-position scanning cuts input latency to around 0.125ms - eight times faster than a standard 1,000Hz gaming keyboard.

Compact 75% layout with 79 keys

The 75% layout keeps the arrow cluster and function row while ditching the numpad, freeing desk space for wide mouse swings without losing essential keys.

Hot-swappable switch sockets

Swap magnetic switches without soldering. Compatible with select TTC and Gateron Hall Effect switches for tuning the feel exactly the way you want.

Five-layer acoustic foam build

Five layers of internal foam absorb keystroke vibration and resonance, delivering the crisp, well-damped sound profile typical of premium custom keyboards.

Dual-zone RGB lighting with 16 modes

16 dynamic lighting modes, dual-zone control for keys and side ambient lights, and adjustable hue/saturation/brightness for full per-zone tuning.

Semi-aluminium chassis

A semi-aluminium chassis adds rigidity and weight, keeping the keyboard planted under aggressive typing or gaming.

Product Specifications

Brand: GravaStar

Model: Mercury V75 HE

Layout: 75% (79 keys)

Switch type: Hall Effect magnetic (S-pole down)

Actuation: Adjustable, 0.1 mm to 3.5 mm

Polling rate: 8,000 Hz

Key scanning: 256 kHz

Latency: approx. 0.125 ms

Connection: Wired USB-C

Hot-swap: Yes (compatible with select TTC / Gateron HE switches)

Lighting: 16-mode dual-zone RGB

Sound dampening: 5-layer acoustic foam

Chassis: Semi-aluminium

What's Included

1 x GravaStar Mercury V75 HE keyboard

1 x USB Type-A to Type-C cable

1 x Keycap and switch 2-in-1 puller

4 x Extra Hall Effect switches

1 x Cleaning brush

1 x Cleaning cloth

1 x User manual