Mionix
Castor
122.5 × 70.4 × 40.2 mm · 94 g
palm grip
16.6–19.9 cm
claw grip
17.9–21.5 cm
fingertip grip
19.4–23.3 cm
Hand lengths (wrist to middle fingertip) this mouse suits, by grip.
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Will the Castor fit my hand?
- Will the Mionix Castor fit small hands (about 17.2 cm long)?
- It can work with a palm grip, but it isn't an ideal fit.
- Will the Mionix Castor fit medium hands (about 18.7 cm long)?
- Yes, with a palm grip.
- Will the Mionix Castor fit large hands (about 20.2 cm long)?
- Yes, with any grip.
| Grip | Hand length | Hand width |
|---|---|---|
| palm | 16.6–19.9 cm | 8.1–10.3 cm |
| claw | 17.9–21.5 cm | 8.8–11.2 cm |
| fingertip | 19.4–23.3 cm | 9.4–11.9 cm |
Specs
- Length
- 122.5 mm
- Width
- 70.4 mm
- Height
- 40.2 mm
- Weight
- 94 g
- Shape
- Ergonomic
- Hand
- Right only
- Connection
- Wired
Same shell, other versions
Fits like the Castor
The closest mice in length, width and height, so they should feel familiar in the same hand.
| Mouse | Length | Width | Height | Weight |
|---|---|---|---|---|
| Cooler Master MM730 | 122.3 -0.2 | 69 -1.4 | 39.1 -1.1 | 48 g |
| Cooler Master MM731 | 122.3 -0.2 | 69 -1.4 | 39.1 -1.1 | 59 g |
| Razer Imperator | 123 +0.5 | 71 +0.6 | 42 +1.8 | 139 g |
| MACHENIKE L8 Pro | 122 -0.5 | 72 +1.6 | 39 -1.2 | 83 g |
| Dareu A955 | 125 +2.5 | 72 +1.6 | 41 +0.8 | 93 g |
Listed since 2026-10-24.