The SteelSeries Merc Stealth gaming keyboard features 34 dedicated gaming terrain keys, making it easier and more intuitive than ever to walk, run, jump, crouch and move directionally in games. The gaming terrain keys, tilted at an 11° angle, are ergonomic and comfortable even during long gaming sessions. The keyboard features 3 different illumination colors (blue, red and purple), which can be set to 4 different illumination modes (subtle, ambient, intense and off).

SteelSeries Merc Stealth supports simultaneous keystrokes and features a number of hotkeys for multimedia, navigation and other one-click controls. The keyboard features two USB 2.0 ports, gold-plated microphone and headset jacks all connected through a gold-plated USB connector. All keys on the keyboard can be programmed with the powerful SteelSeries Z Engine software, allowing for programmable keys and easy to use drag-and-drop macro creation.