Features: brand new and high quality Version 009S Riser Kits are the newest and top-of-the-line solution for configuring GPU mining rigs. Controller support, plug and for play. Effectively solve the lack of PCI-E interface on the motherboard, and one interface can be expanded to 4. 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: Type name: PCIe to 4-port USB3.0 Riser Card + 4pcs 009S Riser Set Color : Black Bus Type: PCI-E X1 Port Quantity: 4 x USB 3.0 Riser Card Size: approx.120X94mm/4.72x3.7in Supported OS: for DOS, for Linux, for Windows XP/7/8/10 Package Includes: 1PC x PCI-E Riser Card + 4pcs 009S Riser Set note: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from actual item.