Features: 1.4 Disks Design: This quad M.2 PCIe NVMe adapter allows you to add 4 M.2 PCIe (NVMe) SSD onto a single PCIe X16 host adapter, offering more convenience. 2.PCIE 3.0/4.0 Protocol: This quad PCIe 4.0 to NVMe card supports PCIe splitting or PCIe RAID function and supports PCIe 3.0, 4.0 transmission protocols. 3.PCIEX16 Interface: This PCIe 4.0 to NVMe adapter dard adopts thickened printed circuit board with sturdy structure, PCIe X16 interface, effectively protecting your important data. 4.High Power Chip: This M.2 NVME to PCIe 4.0 adapter adopts high power DC power chip to make sure the stable performance of M.2 NVMe SSD. 5.LED Indicator: This quad M.2 PCIE adapter card is designed with 4 LED indicator which indicates 4 SSD. It lights up when connected with SSD, and it flashes when reading and writing. specification:Item Type: Quad M.2 NVME to PCIe Adapter Material: Aluminium Alloy, Printed Circuit Board Model: PH44C Supports Hard Disks: M.2 NVMe SSD / M.2 PCI E Devices Transmission Speed: 4 x 32Gbps Support: PCIE 3.0/4.0 PackageList:1 x QuadM.2NVMEtoPCIeAdapter4 x Heat Conducting Pad1 x Aluminium Shell1 x Screwdriver17 x Screw NoteMotherboard must support PCIe splitting function, and it can set PCIe X4X4X4 or 4X4 mode! (Note: This product can run 4 NVMe at the same time, but the motherboard must support PCIE signal splitting)