Convert NVME M-Key SSD to work in main board PCI-e x4/8/16 bus slot. Convert NGFF B-Key SSD to work in main board SATA slot. Supports M. 2 110mm, 80mm, 60mm, 42mm, 30mm. 12V+ 3.3V Dual Voltage, more stable and less heating No driver needed. NVME SSD only support Win8/10. NGFF SSD support nearly all system.