Features: brand new and high quality New design, 1X, 2X, 4X, 8X, 16X compatible (1-16X and 16-16X can be used) Product performance: extender graphics card SATA, 4P, 6P three interfaces (16A power supply capability) to strengthen power supply Reduce the burden on the motherboard.System support: llinx / XP / win7, 8, 10 Soft usb3.0 cable is convenient to use that you can put it anywhere as you want. The circuit board PCIe adapter is newly released, safer, more efficient, and more practical. Specifications: Product Name: Pci-e 1x To 16x Extender Product Interface: Pci-e 1x Pci-e 16x Usb3.0 Riser Card Color:As Shown Cable Length: approx 60 for cm/ 23.62in Main Board Size: 130x33.2mm (approx.)/ 5.11x1.31in Three Interfaces :SATA, 4P, 6P (16A power supply capability) Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. This extension cable is suitable for motherboard PCI-E slot (1X 2X 4X 8X 16X). Please plug in the floppy drive power cord when using it. When plugging or unplugging the PCI-E extension cable, the computer must be disconnected and then plugged in. Be sure to read the precautions when using Package includes: 1x PCIE-16X Main Card 1x USB3.0 Cable 1x PCI-E 1X Card