Features: Brand new and high quality It is mainly suitable for motherboard manufacturers and PCIE16X graphics card manufacturers, effectively protecting the connection card from damage between motherboards during production on the production line. 4-layer circuit board design, high-frequency impedance, strong anti-interference ability, and reliable stability. Gold finger technology, 3U thick, with high-density, low-impedance circuit boards. Supports standard PCIe graphics cards, network cards, SSDs, acquisition cards, etc. Whether you are working on large projects or multitasking, this expansion card will optimize your workflow. Specifications: Material: Plastic Note: 1.Please allow 1-2 cm error due to manual measurement, please make sure you do not mind before ordering. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x extension adapter