StarTech 4-port PCI Express USB 3.0 card - 2 external, 2 internal - SATA power Model PEXUSB3S2EI Type: PCI to 1394 / USB Card External USB Ports: 2 port USB 3.0 Internal USB Ports: 2x USB Ports External Ports: 2 - USB 3.0 A (9 pin; SuperSpeed) Female Internal Ports: 1 - SATA Power (15 pin) Plug 2 - IDC (20 pin; USB 3.0; Motherboard Header) Receptacle Standard: USB 3.0 Data Transfer Rate: Up to 5.0 Gbps Operating Systems Supported: Windows® 8 / 8.1 (32/64bit), 7 (32/64), Vista (32/64), XP (32/64) Windows Server® 2012, 2008 R2 Linux 2.6.31 and up (Tested up to 3.5) |