PCI to 5-Port USB 2.0 Expansion Card USB 3.0 / 2.0 Desktop Adapter, NEC Chipset, 5 x USB 2.0 Ports, Internal PCI Controller Card for PC Upgrade

1. Chipset: NEC 720101F1 (BGA)
2. Supports 32-bit PCI bus, bus speed 33MHz, compliant with PCI Specification Revision 2.2
3. Supports PCI bus master channel
4. Plug-and-play compatible
5. USB 2.0 Interface: Compliant with Universal Serial Bus (USB) Specification Revision 2.0, compliant with Enhanced Host Controller Interface (EHCI) Specification Revision 1.0, compatible with Universal Host Controller Interface (UHCI) Specification Revision 1.1, backward compatible with USB 1.1 specification
6. Data Transfer Rates: High-speed 480Mbps (theoretical), Full-speed 12Mbps, Low-speed 1.5Mbps
7. Supports connection of up to 127 USB devices per USB port
8. External Ports: 4 × USB 2.0 ports
9. Internal Port: 1 × USB-A pin header
10. System Requirements:
11. At least one available 32-bit PCI slot on the PC
12. Supported operating systems: Windows 98SE / Me / 2000 / XP / NT4.0 / XP 64-bit / Vista, Linux, Mac

Summary: 4 external USB 2.0 ports + 1 internal USB 2.0 header theoretical maximum transfer rate up to 480Mbps.