Features: PCI-E slot power solution, no for extra power cable needed. The form a complete set of wire rod is customized, never grab line to plug in. This extension is applicable to the mainboard PCI - E 1X slot, Please plug in the power cord for the floppy. When plug PCI - E extension must be computer broken wires plug again. When plug wire must identify the direction, not to counter or offset, prevent burning equipment, plug wire when the socket of equipment first, then plug wire, avoid too hard plug socket pin is broken. Supported OS: DOS, Linux, for Windows XP/7/8/10 . Specifications: Material: ABS Interface: PCI-E, USB 3.0 Board size: approx.10x5x2cm/3.94x1.97x0.79in Data transfer speed: 2500MB/s Note: No retail package. Please 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! Package includes: 1x PCIE riser board