JacobsParts 5-Port USB 2.0 PCI Controller Card (4+1) w/ NEC Chipset PCI USB 2.0 Controller Card (4 External Ports & 1 Internal USB Port) Data Transfer Rate: Hi-Speed up to 480Mbps ((backwards compatible with USB 1.1 Full-Speed and USB 1.0 Low-Speed) Chipset: NEC D720101F1 Supported OS: Windows XP, Windows Vista 32/64, Windows 7 32/64, and Linux Regulatory Approvals: FCC, CE