ITEM NAME:4X(M.2 Ngff To Usb3.0 Pci-E Riser Card M2 Slot Extender Adapter For Btc/EthL5K7) 4X(M.2 Ngff To Usb3.0 Pci-E Riser Card M2 Slot Extender Adapter For Btc/EthL5K7) 4X(100% brand new and high quality. Function: Dedicated for Bitcoin Mining. Without need power cable. Strong stability and good compatibility. According to the length of the slot inside your machine, capable of being broken and positioned. With this riser card, you can convert the M.2 NGFF interface into a common USB 3.0 interface. Item Type: NGFF M.2 to USB3.0 PCI-E 16X Adapter Card USB3.0 transmission speed: 5Gbps Scope of application: BTC / ETH Mining colour:Black + blue Material:PC+ metal size:3 fixed holes: 22 x 42mm, 22 x 60mm, 22 x 80mm Product Size: 8 x 2 x 2cm Package Contents: 1*Adapter Card Note: can be fixed according to the length of the slot within the machine).With this riser card, you can convert the M.2 NGFF interface into a common USB 3.0 interface. Item Type: NGFF M.2 to USB3.0 PCI-E 16X Adapter Card. Scope of application: BTC / ETH Mining. 1 Adapter Card.