Feature: Name: U.2 Extension Card (SFF-8639) Advantages: Integrated high-speed signal enhancement technology, full-speed transmission, precise and solid structure design, support U.2 SSD It also supports SATA SSD, 5A high-power DC to DC power supply module, which runs stably for a long time and can work at a wide temperature. PCIe 3.0 x4/x8/x16 GEN3 is designed to from the bottom of technology. PCI-e x4/x8/x16 U.2 SFF-8639 Extension Card SFF-8639 U.2 High Speed Transmission Protocol High Speed Signal Enhancement Technology 5A High Power Supply Module Hollow out design, strong heat dissipation Precision PCB Design Signal Integrity Test Passed Overall suppression of EMI, signal integrity Color: black+white Material: PCB+electronic components Package Contents: 1 x U.2 to PCIE Adapter Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Specifications: Product name: U.2 to PCIE Adapter Card Support SSD: U.2 SSD and SATA SSD Bus Type: PCI-E 3.0 X4/X8/X16 Support system: Windows7/8/10/Linux/forMacOS