Features: 100% brand new and high quality Power Supply: PCl-E slot power solution, no extra power cable needed. More stable without the interference from outside for insufficient power. Board design: Adopted with the design of slots, plugs directly to the board without any extender cables, can be fixed tothe case, brings greater stabilityand reliability. Work Efficiency: Ruduce quantity of converters and extender cables. Plug directly to the slot by only one cable, can be fixed to the case, effectively reducing intertace interference and wire loss to ensure data reliability and improve productivity. 4 Interfaces: Effective solution to the insufficient motherboard PCI-E interface. 4 interfaces can be extended by one. 4 Operating Systems Supported: Linux, Windows XP / 7/8/10. Suitable for motherboards with PCIE slots, plug play.If you insert a PCI-E card, you must first switch off the power supply. Package Includes: 1x PCIE Riser Card Specifications: Material: Metal+PCB Color: As the Picture Shown Size: Approx. 15x13cm/ 5.9x5.11in note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.