Dshot&reg; 5 Port incl. Header USB 3.0 PCI Express (PCIe) Controller | 5 x external (Ports) / 1 x internal (Controller/Header) | 15 pin SATA-power connection | Interface Card USB 3.0 | internal USB Hub Type: Dshot CSL PCIe USB 3.0 CARD 5 ext. + 1 int. 19 Pin 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 1 x USB 3.0 socket 19 pole, 1x 15-Pin-SATA (power supply) | Interface: PCI-express 1x | 15-Pin-SATA | downwards compatible to USB 2.0 and 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 Gbps), high seed (480 Mbps), full speed (12 Mbps) 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