IOGEAR 2-Port SuperSpeed+ USB-A PCI-Express Card Model GIC3U2 Type: PCI Express to USB Card External USB Ports: 2x USB Ports External Ports: 2 USB-A Female Ports Internal Ports: PCI Express x4, x8, or x16 slot Operating Systems Supported: Windows 7, Windows 8, Windows 8.1, Windows 10 (32/64-Bit) Specifications: Function GIC3U2 USB Specification USB 3.1 Gen 2 Ports 2 USB-A Female Ports Data Rate Supports data transfer rate upto to Superspeed+(10Gbps) Computer Interface PCI Express x4, x8, or x16 slot Connectors (Console) 2 x USB Type-A (F) downstream Operating Temperature 32テつーF ~ 134.6テつーF (0テつーC ~ 57テつーC) Storage Temperature -4テつーF ~ 185テつーF (-20テつーC ~ 85テつーC) Power Connections 15-Pin SATA power connector Dimensions: 4.81 x 0.75 x 3.69 Weight: 0.10 lb.