Amazon.com: TESmart 4K UHD 16 Ports HDMI KVM Switch, Console Rack Mount Switch with 8 Pcs 5ft KVM Cable, USB 2.0 Device 16 Port Inputs, Control up to 16 Computers/Servers, with RS232
CS1316 - ATEN CS1316 16-Port PS/2 - USB KVM Switch
16 Port USB PS/2 KVM Switch Modules - KVM Consoles - Rackmount
16-Port USB HDMI/Audio KVM Switch - CS17916, ATEN Rack Mount KVM Switches | ATEN U.S.A.
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