Features: 1.Provides Protection: PCIe 16X female to female riser adapter for protection against wear and tear between the graphics card and the computer's motherboard. 2.Applications: PCIe 16X riser adapter, perfect for small computer and server chassis, 1U and 2U. Suitable for large graphics cards, meets the point to point design of PCIe 3.0 SPEC. 3.Usage: The original PCIe connector is horizontal, it is difficult to install large graphics cards, this riser card is specially customized to fit PCIe graphics cards with limited space for installation. 4.Gold Plated Fingers: This PCIe 16X riser card adapter has premium solder joints and gold plated contacts for better connectivity and long term use. 5.Compact And Portable: The PCI Express 16X extender converter is lightweight and small in size. Portable, durable and practical. Can be used to test 16X PCIe slot expansion adapters. specification:Item Type: PCIe 16X Riser Adapter Material: PCB Product Size: Approx. 110 x 55mm / 4.3 x 2.2in Interface: PCIe 16X Female to Female PackageList:1 x PCIe16XRiserAdapter Note1. This adapter is just a pass through adapter card and does not require any drivers. The drivers depend on the drivers of the hardware device you insert. 2. Manual measurement, please allow some errors.