
RAWM Gaming Mouse Review: Is 8K Wireless Worth It at This Price?
We compared RAWM's ES21PRO, ER21PRO and Leviathan V4 GT to see whether 8K polling and sub-50g weights justify choosing a lesser-known brand over the big names.
Daniel Reyes
Tech & Software Editor
The gaming mouse market is dominated by a few big names, and RAWM is betting that ultra-light weights and 8K polling at lower prices are enough to pull players away. We looked at its three headline models to see where that bet holds up and where it needs a caveat.
Picking by grip and hand size
RAWM organizes its range around how you hold a mouse rather than around marketing tiers. The ES21PRO is a 47g symmetrical shape for all grips, the ER21PRO is a 49g right-handed ergonomic shape aimed at palm and claw users, and the Leviathan V4 GT at 55g is the flagship for every grip style. That makes shortlisting quick.

What 8K polling actually changes
All three models pair 8K wireless polling with the PAW3950 sensor. In practice, 8K reduces input latency and makes fast flicks feel more continuous, but you'll notice it most with a high-refresh monitor and a PC that can keep up. For casual play, the weight and shape will matter more to how the mouse feels.
Price versus the flagship
The ER21PRO sits at about $72 and the Leviathan V4 GT at about $95, with its dual optical and magnetic switch design. Unless you specifically want the switch tech, the cheaper models deliver the same polling and sensor, which is the real value argument here.

- Best for: competitive players who want a light, 8K-capable mouse without flagship pricing
- Shape tip: use the hand size and grip finder on the site before choosing between the ES21PRO and ER21PRO
- Safety net: 15-day returns and a 1-year warranty reduce the risk of trying a newer brand
“The spec sheet is nearly identical across the range, so the decision comes down to shape, not numbers.”
Our verdict
RAWM offers a well-organized lineup of light, 8K-capable gaming mice at competitive prices. Durability over several years is still unproven for a newer brand, but the return window and warranty make it a low-risk way to try 8K wireless.
What we liked
- + Sub-50g weights on the ES21PRO (47g) and ER21PRO (49g) without a flimsy feel
- + Every model in the lineup uses 8K polling and the PAW3950 sensor, so you aren't paying extra for the spec
- + Clear lineup by hand size and grip, plus a 15-day return window and 1-year warranty
Where it falls short
- − Lesser-known brand, so long-term durability data is thinner than for the big names
- − 8K polling only helps on capable PCs and monitors, and the gap over 1000Hz is subtle for casual play
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