TRENDnet 8 Port USBPS2 Rack Mount KVM Switch TK 803R VGA and USB Connection Supports USB and PS2 Connections Device Monitoring Auto Scan Audible Feedback Control up to 8 ComputersServers 8 port
2 or 4 Port USB/PS2 KVM VGA Switch with 2 or 4 Set Cable For Mouse Monitor PC | eBay
USB-PS2 Adapter
KVUSB-PS2, PS/2 to USB KM Adapter - Black Box
PS/2 to USB Keyboard and Mouse Adapter - Keyboard / mouse adapter - USB - KVM Switches
PS/2 to USB Adapter (90cm) - UC10KM, ATEN KVM Modules & Accessories | ATEN Corporate Headquarters
IOGEAR 8-Port USB PS/2 Combo KVM Switch Kit GCS1808KITPTAA B&H
USB/PS2 Combo Cable for KVM Switches B020-U08/U16 and KVM B022-U16, 6 ft. | Tripp Lite