The adapter can use an ordinary M2 for KEY A-E interface convert to for M.2 nvme ssd interface. | Supports for M for Key NVME SSD ;Supports 2230, 2242, 2260 & 2280 size NGFF SSD. | Easy installation and no driver required.No additional power required. | Connects NVME for M for Key SSD to M2 for KEY A-E motherboard.Supports PCIE-based NVME SSD | The board has four mounting holes, respectively 22x30 mm, 22x42 mm, 22x60 mm, 22x80 mm, depending on the length of the slot inside your machine, you can break positioning