Item Type: M.2 to PCI-E3.0 Riser Card Material: PCB Model: PH41-X4-A Colour: Black Supported Hard Disk: M Key Hard Disk (NGFF is Not Supported) Transmission Rate: 32Gbps Card Slot: X4/X8/X16 Support System: for Windows/for OS/for Linux Indicator Status: When Power is On, It is Always On, and It Flashes when Reading and Writing. 1、Perfect Solution For Desktops: NVMe PCIe cards allow to add your M.2 PCIe NVMe SSD to motherboards that don't have M.2 slots and are the perfect solution for your desktop. 2、High Speed: NVMe PCIe 3.0 x4 adapter up to 32Gbps high speed, 3200+ MB/s read and 1500+ MB/s write, higher speed than USB A and USB C interface, improve computer performance. 3、Multiple Protection and Cooling: The M.2 PCIe riser card features multiple layers of PCBA to protect your M.2 NVMe SSD from electrical signal interference. Immersion gold PCB ventilation design, 24 X 5 copper holes effectively dissipate heat and enhance SSD heat dissipation. 4、Widely Compatible: Supports any operating system such as for Windows, for OS and for Linux. (No driver required); for 2280/2260/2242/2230mm M.2 NVME SSDs. 5、Expand Computer's Capacity: M.2 adapters can dramatically increase your computer's speed. Supports PCI?Express X4, X8, X16 slots. Any SATA B key or B+M key based SSDs are not supported. 1 x Riser Card 1 x Full Height Baffle 4 x Screw 1 x Nut 1 x Screwdriver