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CM Storm QuickFire Rapid Compact Mechanical Gaming Keyboard PS2/USB-MX Blue - ND8152 - Shoplet.com
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FILCO FILCO Majestouch NINJA USB & PS2 both compatible US ASCII array 87 keys / front printing N key rollover compatible German Cherry MX brown axis switch mechanical keyboard black FKBN87M/EFB2 -
Miniature Keyboard- Microcontroller-Friendly PS/2 and USB : ID 857 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits