[High Quality] The adapter is 12V to 3.3V with a 4-way 6A independent power module to meet the power supply requirements of high power SSDs. It can effectively protect the hard disk and data security.This product does not include NVMe SSD Solid State Drive. [Support SSD] Supports PCIe M-Key M.2 NGFF (NVMe or AHCI) 2280 SSDs such as Samsung SM951/950/960/970, Plextor M6e Series, Kingston HyperX Predator. Not compatible with a 'B' key M.2 PCIe x2 SSD or 'B' key M.2 SATA SSD. [Compatible] Compatible with PCIe 3.0 motherboards, and backward compatible with PCIe 2.0 x8 or x16 slots. Works with all workstations or servers with Windows, Linux, and macOS. No driver required. Note: The motherboard BIOS must support NVMe SSD and support booting from PCIe in order to boot from a M.2 NVMe SSD on 3003K. [Individual or RAID] Install four (4x) M.2 NGFF PCIe based (AHCI or NVMe) SSD on a single PCIe x8 Card. Allow you to use SSDs individually or in a storage pool for OS or 3rd party software RAID configuration. Soft RAID 0 speed test over 6000MB/S.This product does not include NVMe SSD Solid State Drive. [Efficient Heat Dissipation] Independent chip cooling fan, together with the customized heat dissipation aluminum alloy plate, can effectively reduce the temperature and improve the stability during operation. [Active Card] PCI Express 3.0 x8 Lane Host adapter powered by ASM2824 PCIe 3.0 Switch. It compatible with most motherboards, no driver required, supports X8 X16 slot motherboards, old motherboards can also easily achieve "one slot to four drives".