Features: Brand new and high quality It is mainly suitable for the manufacturers of motherboards and PCIE16X graphics cards, which effectively protects the connection card from damage between the motherboards during production on the production line. 4-layer circuit board design, high-frequency impedances, strong anti-interference ability and reliable stability. Gold finger technology, 3U thick, using high-density low-impedances circuit board. Support standard PCIe graphics cards, networking cards, ssd, acquisition cards, etc. Whether you're working on large projects or multitasking, this expansion card will optimize your workflow. Specifications: Material:Plastic Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Extension Adapter