Features: brand new and high quality Integrated high-speed signal enhancement technology, full-speed transmission, precise and solid structure design, for U.2 SSD. It also supports SATA SSD, 5A high-power for DC to for DC power supply module, which works stably for a long for time and can work at a wide temperature.. PCIe 4.0x16 GEN3 is designed to ensure maximum speed from the bottom of the technology. PCI-E x16 U.2 SFF-8639 Extension Card. SFF-8639 U.2 high speed transmission protocol. High speed signal enhancement technology. 5A high power power supply module. Hollow out design, strong heat dissipation. PCB- layout precision. Signal integrity test passed. Generally EMI suppression, signal integrity. Specifications: Item Name: U.2 to PCIE X16 Riser Card Material: ABS Size: approx. 125x330mm/4.92x12.99in Colour: black Quantity: 1 PC Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x U.2 Extension Card (SFF-8639) (Excludes any SSD) 1PC x Screwdriver 16PCS x Hard Drive Screw