Features:100% brand new and high qualitySuper fast and high-capacity transfer solution, stable and reliable6 USB3.0 Slots supports simultaneous operation of multiple USB 3.0, USB 2.0, and USB 1.1 devices,great extendability.Plug and play,without any extender cable, can be fixed to the case.PCI-E slot power solution, no extra power cable needed.Only one cable to the slot, easy and convenient to settle and install.Package Includes:1PC x 6 Port USB3.0 PCIE Riser Card for MiningSpecifications:Size:approx 119X59mm/4.68x2.32inMaterial: PCB-boardColor: BlackApplicable Slots: PCI-E X1/X4/X8/X16Option Type: PCIE 1 to 6Bandwidth: About 5GB/SWorking Environment: 0-70Applicable System: Windows XP/7/8/8.1/10note:Keycaps only, Keyboards not includedPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you