StarTech.com USB to PS/2 Adapter for Keyboard and Mouse - Keyboard / mouse adapter - USB - USBPS2PC, Black
This PS/2 USB Adapter converts a single USB port into two universal PS/2 ports, letting you connect any PS/2 peripheral (e.g. mouse, keyboard) to a computer through USB. Supporting plug and play installation, the PS/2 USB adapter offers a cost-effective way to bridge legacy PS/2 peripherals with a more modern, USB-capable computer.