USB 2.0 Interface Model Name Main Key switches Normal keys Dimensions(mm) OPERATING SYSTEM WEIGHT (PRODUCT / PACKAGE) Assessories Keystroke Life N-Key Rollover Cable Length USB 2.0 FORGE GK310 - RED SWITCHES Mechanical 104 / 105 / 108 keys (Different by languages) 442 x 132 x 50 mm Windows 10 (and above) 870g / 1116g 3 x Extra Switches / 1 x Switch & Keycap Puller 60 Million 6+N Key, Full Keys Anti-ghosting 1.8 m