1.Suitable for M.2 M key PCIe NVMe SSD; accessories include two typec-typec data cables, one of which supplies power and the other connects to PC, which can be used interchangeably 2.Two NVMe SSDs can be used at the same time and read at the same time. Can run at full load and connect 2 NVMe SSDs and 2port HUB at the same time 3.The HUB interface USB+type c specification is gen2 10Gpcs, which can be connected to a mobile hard disk or other devices; transmission interface: USB3.2 gen2 10Gbps; supports four sizes of M.2 M key SSD 2230/2242/2260/2280 4.The host interface type c can be directly connected to the PC, and the DC5V power supply type c port can be powered by the C port data cable; supports systems and 5.When using a hard drive, you need to format the partition in Disk Management yourself. Description: 1.Supported capacity: 4TB 2.Transmission interface: USB3.2 Gen2 3.Transmission speed: 10Gbps Colour:Photo Color Material:Aluminum Alloy Package Contents: 1x Host 2 x Data Cable 1 x Screwdriver 2 x M2 Fixed Rubber Plug 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.