Keyboard Mouse Adapter Card PCI to 2x PS2 PS/2 + 2x USB 2.0 Port for PC Black
PCI Revision: 2.2. USB Compliance: OHCI (USB 1.0A), EHCI (USB 1.0). USB HID Support: V1.1. 1 x Adapter Card. Users may also refer to online installation tutorials for self-installation. Data Transfer: 32-bit, 33MHz.