Meet the Castor: A stripped-down, comfortable right-handed mouse with few buttons and even fewer frills. Or, as I like to call it, Mionix's DeathAdder.
It's not a one-to-one copy of the DeathAdder, as we often see from low-budget knock-offs. The Castor is decidedly its own mouse, with a unique ergonomic shape. You certainly wouldn't confuse the DeathAdder and Castor if you set them next to each other. But the similarities are apparent as soon as you lay hands on the Castor's silky-smooth frame.
The Castor is a simple six-button mouse—Left, Right, and Middle mouse, two thumb buttons, and then a DPI switcher to the rear of the scroll wheel. For the record, the Castor supports up to 10,000 DPI. I know you were wondering, since Mionix neglected to tack that stat onto the name this time.
The shape is right-hand centric, and reads sort of like a cross between the DeathAdder and Mionix's own Naos 7000. In fact, the Castor is a lot like the Naos 7000, but shrunk down. That makes it a bit more of a jack-of-all-trades mouse—a bit on the small side for palm gripping, a bit large for claw gripping, but the Castor accommodates both pretty easily.
It holds on to some of the Naos's best aspects though, like grooves for your pinky and ring fingers. These aren't just comfortable but functional, giving you a bit of extra control when compared to the DeathAdder's smooth right slope.
And, to my relief, the grooves on the Castor are much less defined than on the Naos 7000. They feel more like a suggestion than anything else—available for palm grippers, but not a hindrance for claw grippers.
The Castor also features the same smooth, soft-touch coating I've come to expect from Mionix. Where the DeathAdder uses Razer's standard lightly-textured plastic, the Castor feels much more luxurious. And again, it's comfort in support of function—the soft-touch texture also provides extra grip, though the tradeoff is (in my experience) a bit more heat/hand sweat.
It's just a Very Nice Mouse, with the aforementioned niceties and then all the standard tricks—a braided fabric cable, lighting in the scroll wheel and logo, and some textured rubber under the thumb.
In reviewing the DeathAdder (again) this year, I noted that it's pretty much the standard by which all other gaming mouses are judged, if only because it's so damned pervasive. The Castor? It's the DeathAdder: Director's Cut—the same design philosophy, with a couple of perks.
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