Perixx PX-5200 US, Gaming Mechanical Backlit Keyboard - Cherry Blue switch - 8 Programmable Macro Keys - White LED Backlit - NKRO (PS2 Mode) Backlit Illuminated Feature 8 Programmable Macro Keys (Minimum 4 command per macro) N-key rollover (PS2 mode) - 12 key Anti-ghosting (USB mode ) Windows and desktop lock keys Full size layout keyboard Backlit Illuminated Feature N-key rollover (PS2 mode) - 12 key Anti-ghosting (USB mode ) Windows and desktop lock keys Full size layout keyboard