GravaStar
GravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB Backlit
Bottom line: The GravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB: Aluminum alloy exoskeleton case, not plastic, in Moonlight White; main trade-off: 75% layout drops the numpad, awkward for spreadsheet and data entry.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ Aluminum alloy exoskeleton case, not plastic, in Moonlight White
- ✓ 40g Kailh Linear switches with 1.5mm pre-travel for fast actuation
- ✓ 8000mAh battery drives RGB without constant recharging
- ✓ Triple connectivity: USB-C, Bluetooth 5.0, and 2.4GHz wireless
Cons
- ✗ 75% layout drops the numpad, awkward for spreadsheet and data entry
- ✗ GravaCore software required for per-key RGB, macros, and 8 profiles
- ✗ Linear-only switch option, no tactile or clicky choice listed
- ✗ Gasket-mounted PC plate and RGB add weight versus plastic 75% boards
Manufacturer description
The GravaStar Mercury K1 is a 75% wireless mechanical gaming keyboard built around an aluminum alloy exoskeleton in Moonlight White, and it targets the exact overlap between tournament-grade input and a curated white-themed battlestation. The 79-key layout trims the numpad without sacrificing arrow keys or a function row, so you keep full navigation while reclaiming desk space for mouse sweeps. Typing feel comes from exclusive GravaStar x Kailh Linear switches rated at 40g actuation with 1.5mm pre-travel, a light and fast combination suited to rapid counter-strafing and repeated inputs. A…
SpecPicks Verdict
SpecPicks scored GravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB… using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. GravaStar's gaming peripherals lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for gaming peripherals of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
How many keys does the Mercury K1 have?
It uses a 75% layout with 79 keys, which keeps the function row and arrow keys while removing the numpad to free up desk space.
What switches does it use and how light are they?
Exclusive GravaStar x Kailh Linear switches with 40g actuation force and 1.5mm pre-travel. That is a light, smooth linear feel with no tactile bump.
Can I connect it to more than one device?
Yes. It supports wired USB-C, Bluetooth 5.0, and 2.4GHz wireless, and you can switch between connections. It works with both Windows and Mac.
How big is the battery?
8000mAh, which GravaStar positions as supporting extended runtime with the RGB lighting active. Actual hours depend on brightness and connection mode.
Is it loud, and can I customize the lighting?
A 5-layer dampening system on a gasket-mounted PC plate absorbs 87% of impact vibration for a muted profile. GravaCore software gives per-key control over 16.8 million colors, 13 effects, macros, and 8 profiles.
Key Features
- 🌙 Moonlight White Aesthetic🤍 This wireless keyboard redefines gaming aesthetics with its aluminum alloy exoskeleton in Moonlight White. The 75% layout (79 keys) delivers balanced stability with flowing curves, creating a clean, modern presence that elevates any desk setup. Dual-layer PBT keycaps are designed for minimalists and battlestation creators seeking a refined white-themed workspace.
- 🌙 Pro-Grade Performance🤍 Engineered with exclusive GravaStar × Kailh Linear switches, this mechanical keyboard offers tournament-ready responsiveness (40g actuation / 1.5mm pre-travel). The 5-layer sound-dampening system with a gasket-mounted PC plate absorbs 87% of impact vibrations, producing a smooth and satisfying acoustic profile with every keystroke.
- 🌙 Studio-Grade Customization🤍 Transform your custom keyboard with dual RGB ecosystems featuring 16.8 million colors and 13 dynamic lighting effects. GravaCore software enables per-key programming, macros, and 8-layer profiles, allowing users to create a personalized lighting experience that complements a pure white setup.
- 🌙 Ultimate Wireless Freedom🤍 Experience extended RGB runtime powered by a massive 8000mAh battery. The Mercury K1 supports wired USB-C, Bluetooth 5.0, and 2.4GHz wireless connections, enabling seamless switching between devices. Compatible with both Windows and Mac systems for flexible multi-device use.
- 🌙 Premium Unboxing Experience🤍 Elevate your setup with a keyboard that blends art and engineering. Ideal for tech enthusiasts, the Mercury K1 arrives in elegant moonlight-inspired packaging, making it a memorable gift choice for birthdays, holidays, or personal upgrades.
Full Specifications
| Brand | GravaStar |
|---|---|
| Color | Opaline White |
| Style | Cyberpunk |
| Theme | Star |
| Weight | 40g |
| Model Name | Mercury K1 |
| Style Name | Cyberpunk |
| Unit Count | 1 Count |
| Switch Type | Linear |
| Connectivity | Bluetooth, USB-C, 2.4GHz |
| Model Number | GS K1 |
| Power Source | Battery Powered |
| Compatibility | PC, Mac |
| Built-In Media | USB Cable, Keycap Puller, Cleaning Brush, Cleaning Cloth, Extra Switches, User Manual, Type-A 2.4GHz Receiver |
| Number of Keys | 79 |
| Connection Type | Wired |
| Keyboard Layout | QWERTY |
| Mfr Part Number | GS K1 |
| Number of Items | 1 |
| Number of Packs | 1 |
Ready to buy?
GravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB Backlit is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Gaming Peripherals
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best Retro Handhelds in 2026 — From $35 to $500
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- How to Build a Windows 98 Retro PC in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Best PC Couch-Gaming Setup in 2026: Controllers, Display, and Audio
- Building a Silent Pentium III Windows 98 Gaming Rig in 2026
- Best Budget 1080p Gaming PC Parts in 2026: 5 Picks
- Best Beginner Racing Wheel in 2026: Logitech G920 vs HORI Racing Wheel Overdrive
- LiquidAI LFM2.5-8B-A1B: An 8B MoE You Can Run on a 12GB RTX 3060
- Steam Deck LCD 6TB Man-Cave Setup: Storage & One-Cable Dock
- Best Budget 4K Gaming Monitor Under $400 in 2026: SANSUI vs KOORUI Mini-LED
- Does Dual-Channel RAM Matter for Local LLM Inference?
- Running GLM-5.2 Locally on an RTX 3060: Ollama VRAM + tok/s
- CompactFlash-to-IDE Boot Drive: The Silent Win98 Build Upgrade
- Asus ROG Xreal R1 Brings 240 Hz to AR Glasses — What PC Gamers Should Know
- Dual GPU Llama.cpp Speedup: What Actually Helps
- Best CPU Cooler for a Ryzen 7 5800X (AM4) in 2026
- Cheap 80s Keyboard Gets a Modern Brain Upgrade
- Raspberry Pi Dual Monitor Setup: Driving Two 4K Displays in 2026
- RTX 3060 12GB vs Ryzen 5 5600G iGPU: Do You Need a GPU for 1080p Esports?
- GPT-5.6 Sol Nearly Matches Fable 5 at a Third the Cost: The Local-Rig Angle
- Best Cooling for AMD Ryzen Overclocking in 2026
- Forza Horizon 6 Runs Surprisingly Well on Steam Deck — Here's What Players Are Reporting
- Logitech G Pro X2 Superstrike: The $125.99 Deal Has Expired
- 4K@60fps USB Video Capture on Linux: What Works in 2026
- Best Budget Gaming Laptops of 2026: Buyer's Guide
- Sega Genesis Mini vs SNES Classic: The Definitive 2026 Plug-and-Play Retro Showdown
- Backing Up Vintage IDE Drives to CompactFlash in 2026
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090