Dshot&reg; 7 Port USB 3.0 PCI Express (PCIe) Controller | 5x External (Ports) / 2 x Internal | 15 pin SATA Power Connection | Interface Card USB 3.0 Super Speed | Internal USB Hub Type: Dshot PCIe USB 3.0 card 5 external + 2 internal interface card controller (internal USB hub) suitable for: Mainboards / motherboards with PCIe (PCI express) interface Connections: External 5x USB 3.0 socket type A / internal 2x USB 3.0 socket type A | Interface: 1x PCI express | 15-pin SATA | downwards compatible to USB 2.0 und USB 1.1 | Chip set: VIA VL805 single chip USB 3.0 host controller / VL812 USB 3.0 hub controller | Maximum USB transfer rate: USB super speed (5 GBits/s), high speed (480 MBits/s), full speed (12 MBits/s) Operating System compatibility: Microsoft Windows 8.1 (32/64bit), Windows 8 (32/64bit), Microsoft Windows 7 (32/64bit), Windows Vista (32/64bit), Windows XP (32/64bit), Linux | Weight: 61g (144g with packaging and accessories) Features: Low energy consumption | Plug & Play | + driver CD