Support 2 x M.2 interface, One for NVMe SSD and One for SATA SSD Primary M.2 for PCIe based (NVMe or AHCI) SSD to PCIe x4 slot Secondary M.2 for SATA SSD to the System main board SATA port PCIE to M.2 SSD (M-Key), SATA to M.2 SSD (B-Key) Support different length M.2 (NGFF) card, 22x42mm, 22x60mm or 22x80mm Adapter supports PCI Express v3.0 Specs and compatible with v2.0 / v1.0 Supports system boards with PCIe x4,x8,x16 slotsUses minimum power from PCIe 3.3V for better power management Low Profile Bracket included