1、The blue light is on when the power is on, the blue light of the corresponding disk position flashes when reading and writing data, and the working status is clear at a glance 2、With thermal pad + aluminum alloy heat sink, the PCB board can quickly dissipate heat 360° 3、Possess easy installation, which bring stable and confident output at full speed 4、Used for data transmission, support RAID 0/1, PM, RAID 5 system to build RAID 5、For Windows 7/8/10 professional edition or above, the computer motherboard needs to support 2 x 1xPCIe 0x4 expansion card slot (x4 mode) 1 x Adapter Card12 x Screw1 x Screwdriver1 x User Manual Item Type: PCI ExpressSupport Hard Disk: 4 x M.2NVMe protocol solid state hard diskPower Supply: Motherboard PCIe power supplyInternal Interface: 3 x PCIe Gen3Transmission Interface: PCIe x16 interfaceMaterial: Aluminum alloy, environmental protection glass fiber materialFunction: Data transmission, support RAID 0/1, PM, RAID 5 system to build RAIDIndicator Light: The blue light is on when the power is on, the blue light of the corresponding disk position flashes when the data is readOperating System: For Windows 7/8/10 professional edition or higher, the computer motherboard needs to support 2 x 1xPCIe 2.0x4 expansion card slot (x4 mode)How to Use: 1. Insert the M.2 NVMe protocol solid state drive into the corresponding interface of the adapter card at an angle of 45° 2. Fix the inserted SSD with screws 3. Insert the installed M.2 NVMe protocol solid state drive adapter card into the PCIe x16 slot of the computer motherboard 4. Fix the PCIe riser card through the fixing slot of the computer case to prevent the riser card from shaking