Finalmouse UltralightX
At just 31-38g with a carbon fiber composite shell, the UltralightX pushes the boundaries of lightweight design. Features a PixArt sensor with up to 8000Hz wireless polling, Omron 20M switches, and three size options to match any hand size and grip style.
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Our Verdict
At just 42g with a magnesium alloy shell, the UltralightX pushes the boundary of ultralight design. Finalmouse's proprietary sensor delivers excellent tracking for fingertip and claw grippers.
Score Breakdown
Pros & Cons
Pros
- •31-38g ultra-lightweight carbon fiber shell
- •Up to 8000Hz wireless polling
- •Three sizes for different hand sizes
- •Multi-month battery life with intermittent use
Cons
- •Very expensive at $189
- •Quality control inconsistencies reported
- •Limited DPI presets (400-6400)
- •Driverless web-based software only
Specifications
| Weight | 31-38g (varies by size) |
| Sensor | PixArt PAW3395 |
| Polling | Up to 8000Hz wireless |
| DPI | 400/800/1600/3200/6400 |
| Switches | Omron D2FC-F-7N-20M |
| Connectivity | USB-C 2.4GHz wireless |
| Sizes | Small, Medium, Large |
Quick Answers
What is the weight of the Finalmouse UltralightX?
Finalmouse UltralightX weight: 31-38g (varies by size).
What is the sensor of the Finalmouse UltralightX?
Finalmouse UltralightX sensor: PixArt PAW3395.
What is the polling of the Finalmouse UltralightX?
Finalmouse UltralightX polling: Up to 8000Hz wireless.
What is the DPI of the Finalmouse UltralightX?
Finalmouse UltralightX DPI: 400/800/1600/3200/6400.
What is the switches of the Finalmouse UltralightX?
Finalmouse UltralightX switches: Omron D2FC-F-7N-20M.
What is the connectivity of the Finalmouse UltralightX?
Finalmouse UltralightX connectivity: USB-C 2.4GHz wireless.
What is the sizes of the Finalmouse UltralightX?
Finalmouse UltralightX sizes: Small, Medium, Large.
How much does the Finalmouse UltralightX cost?
The Finalmouse UltralightX lists at $449 at Amazon as of February 1, 2026. Prices change often, so the merchant page shows the current figure.
Who is the Finalmouse UltralightX for?
It suits ultra-lightweight enthusiasts, competitive FPS players, those wanting per-hand-size options, aim trainers and precision gamers. It is not the right pick for budget shoppers, those wanting extensive software features, rGB enthusiasts, users needing high DPI settings.
Is the Finalmouse UltralightX worth buying?
At just 31-38g with a carbon fiber composite shell, the UltralightX pushes the boundaries of lightweight design. Features a PixArt sensor with up to 8000Hz wireless polling, Omron 20M switches, and three size options to match any hand size and grip style. It ranks #5 in our Top 5 Gaming Mice. At just 42g with a magnesium alloy shell, the UltralightX pushes the boundary of ultralight design. Finalmouse's proprietary sensor delivers excellent tracking for fingertip and claw grippers.
Who Is This For?
Best For
- Ultra-lightweight enthusiasts
- Competitive FPS players
- Those wanting per-hand-size options
- Aim trainers and precision gamers
Not For
- Budget shoppers
- Those wanting extensive software features
- RGB enthusiasts
- Users needing high DPI settings
Where to Buy
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