Features: NGFF M.2 to PCIE 1X4X Adapter M. 2 Key M to PCIe 4x Converters card; This adapter card can convert the M.2 NGFF interfaces to regular PCIE X4X1 interfaces, There are 2 fixed holes on board, which are 22x60mm and 22x80mm respectively. Depending on the length of the slot inside your machine, it can be broken for positioning. Please note that our company do not support returns after breakage. You must confirm that it can be used before breakage! Wiring method: If X1 to 16X USB adapter is connecting, there is no need to plugs in a small 4PIN power cord on the M.2 adapter card. M.2 to USB (PCIE signal, USB devices cannot be plugs in) Specifications: Component:Metal Option Color:White,Black 1pc NGFF M.2 to PCIE 1X 4X Adapter M. 2 Key M to PCIe 4x Converter card Package Includes: 1pc NGFF M.2 to PCIE 4X Adapter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.