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