Features: Brand new and high quality This product is SFF-8654 8i to PCIe x16 interfaces, and actually it can only go to PCIe x8, that is, PCIe x8 in PCIe x16. This product supports PCIe 3.0 and is suitable for PCIe 3.0 and PCIe 2.0 product. This product SFF-8654 interfaces PIN signal is defined by general signal. If your machine SFF-8654 interfaces PIN signal is defined as special design, this product is not compatible. This product must be connected to the 15PIN power interfaces of the chassis power supply. Please solve the technical problems such as the installation of external graphics cards and other equipment driver by yourself, and our store cannot provide technical support; This type of adapter card conversion does not need to be realized by chip, and the product without chip is equivalent to cable function without any drive. Specifications: Material:Plastic Package Includes: 1x Extension Card 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.