IOGEAR - GCS16KIT - 16-Port USB PS/2 Combo KVM Switch with Cables
16-Port x2 Users Cat5e/6 1U Rack-Mount USB KVM Switch with 17" Full HD 1080P LCD and IP Remote Access, 16 Interface Modules Included - FS.com
Rackmount Solutions U-1601 | KVM Switches
Amazon.com: TRENDnet 16-Port Rack Mount USB KVM Switch, VGA and USB Connection, Supports USB and PS/2, Auto-Scan, Device Monitoring, Audible Feedback, Plug and Play, Hot Pluggable, Rack Mountable, Black, TK-1603R : Electronics