ORICO SuperSpeed 7 Ports USB 3.0 PCI Expansion Card PCI-E to USB 3.0 Express Card for Windows and Linux (PVU3-7U)　Product Specification:　Easily adds 7 USB3.0 ports to your standard desktop PC via PCI express slot, offers more USB3.0 ports to your devicesSuperSpeed USB 3.0 with transfer rate up to 5Gbps and backwards compatible with USB2.0/USB1.1Powered by a 15 pin SATA power interface, need to connect with a 15 pin SATA power cable (not included) to ensure its power stablePlug and play, hot-swapping; Adopted VL805+VL812 master chip, ensures the stability of extension and transmissionMatches with Windows XP, Vista,7,8,8.1,10 and Linux (not compatible with Mac OS)　7 Ports USB 3.0 PCI-E Expansion Card　This expansion card adds 7 USB3.0 ports to your host computer via PCI express slot, compatible with most standard desktop with available PCI Express x1, x4, x8 or x16 Slot.Superspeed USB3.0 provides transfer speed of up to 5Gbps, 10 times faster than USB2.0, backwards compatible with USB2.0/USB1.1　Features　Quick and easy installation, support plug and play, hot-swappingAdopted VL805+VL812 master chip, ensures the stability of extensions and transmission.Matches with Windows XP, Vista,7,8,8.1,10 and Linux (not compatible with Mac OS).　What is in the box1 x 7 Ports USB 3.0 PCI-E Expansion Card2 x Mounting Screw1 x Service Card1 x User Manual