Support PCI-E4.0 compatible with PCI-E3.0, the highest theoretical transfer rate 64GT/S Stable performance, strong compatibility, high-speed lossless transmission The M.2 NVME interface requires the motherboard to support the NVME protocol M.2 NVME to SFF-8643 interface M.2 NVME to SFF-8643 interface needs to be used with U2 lcable Adopt the association standard M.2 2280 size, retain the 2260 position pattern, designed as a shear type, effectively the strength when using 2280, if you need to use 2260, you can use a tool to cut it according to the pattern Product name: M. 2 NVME to U2 adapter card Product model: PH49-M2 Applicable: M. 2NVME protocol Expansion interface: SFF-8643 Colour: Black Material: PCB Size: 80 x 22MM Package Contents: 1 x Riser Card Only the above package content, other products are not included. Note: Light 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.