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If you're a PC gamer who has balked at a wireless mouse because of reliability concerns, Razer's Mamba has the solution. Thanks to a high polling rate, the Mamba is the first mouse we've tested with lossless wireless connectivity. It also joins Microsoft's SideWinder X8 in offering a relatively seamless switch between wireless to wired usage modes. As you might expect, Razer isn't willing to part with such a uniquely high-performing mouse for nothing, and at $130, the Mamba is one of the most expensive mice we know of, short only of Logitech's outlandish $150 MX Air. If wireless PC gaming is that important to you, you will find little fault with the Mamba. The price tag will likely alienate everyone else.
This mouse has curves in all the right places. The nearly symmetrical design feels comfortable in either hand, but the side buttons and general slopes of the Mamba are clearly biased for right-handed users. Rubber grips on both sides ensure that gamers with big or small hands will maintain a sturdy grip on the Mamba. The scroll wheel is smooth and comfortable with the ridged rubber surface and, like the matte finished section of the body, provides optimal grip without sacrificing comfort. The two standard buttons click with a crisp tactile feel.
Razer's driver software lets you configure custom button functions, profiles tied to applications, and also set macros. You can assign any of the Mamba's buttons to a specific profile, and then further embed that profile inside another one. That lets you assign profiles by game, and then even to certain roles in a game, for example to switch from on-foot controls to vehicle-based controls in Far Cry 2. We're also glad to have macro recording capability in the software, but we prefer Microsoft's easier on-the-fly macro recording with the SideWinder X8 via a dedicated button.
As stated, the Mamba has gone beyond the boundaries of necessity and boosted the laser sensitivity to 5,600dpi. We tend to feel anything beyond 2,000dpi or so is overkill, but perhaps you competitive gamers really do need such high sensor resolution. More universally useful is the 1,000MHz polling rate, which ensures no connection lag in either wired or wireless modes. That will surely appeal to anyone who plays hard but also wants to go cable free. It's also twice the polling rate of the SideWinder X8, which had a noticeable performance drop-off in wireless mode at high sensor resolutions.