This kit bifurcation PCIe 3.0 x16 into 8 x4 and connects it to an SSD test board via an SFF-8643 cable for reading and writing up to 8 M. PCIe 3.0 x16 bandwidth. Support 8 NVMe M. The discrete connection method can be easily replaced when the SSD is plugged and unplugged too much and the connector is damaged. 1 PCIe 3.0 x16 to 8 SFF-8643 NVMe swtich Card (The bandwidth is configured to be 8 x4). 1 8 ports SFF-8643 to 8 M. 2 NVMe SSD test board. 8 SFF-8643 to SFF-8643 Cable L=600mm.