Features: Brand new and high quality. Compliant with PCI Express specification revision 3.0, backward compatible with PCIE V2.0 and V1.0 motherboards. Compliant with Serial ATA specification revision 3.0. Supports M.2 Key M NVMe SSDs, including 2230, 2242, 2260, and 2280 drives. Supports all "M" key M.2 SSDs. Device sizes supported: 110, 80, 60, 42, and 30mm. Specifications: Applicable type: M.2 NVMe SSD conversion Bus slot: PCIe X8 rev3.0 Media interface: 2 x M.2 Key M NVMe SSD connector SSD type: M.2 Key M SSD size: 2230, 2242, 2260, 2280, 22110 drives Operating system: Win 7 / Win 8 / Win 8.1 / win 10 32&64bit, Linux Please Note: The motherboard supports PCI-E splitting function and can set PCI-E X4X4X4 or 4X4 mode. The motherboard supports PCI-E RAID function. ASUS motherboards support the HyperM.2X16 expansion card function. Different motherboards have different PCI-E sharing channels, and some motherboards have a PCI-E RAID of X8 + X4 + X4. This motherboard 4-bit M.2 card can only support three M.2 SSDs or devices, and 2-bit M.2 card can only support one M.2 SSD or device. Package includes: 1 x Dual NVME RAID PCI-E X8 Split Card 1 x Baffle 1 x Screwdriver 1 Set x Screws