Compliant with PCI-Experss Support 4 Port B key m.2 sata protocol ssd Bus Type of PCI Express X1 3.0 interface Support 2230/2242/2260/2280 m.2 ssd Only Support m.2 sata protocol ssd, not support m.2 nvme ssd. Specifications: Itemname: PCIE 1X to M.2 Card Interface: PCI-E 1X Interface rate: 10Gbps Function: for a Mining Main control chip: ASMedia1064 communication rates:10 Gbps System support: WINDOWS LINUX NAS ESXI Colour:black Material:PCB Package Contents: 1 * Expansion Card Note: only NGFF SATA protocol hard disks are supported 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.