The SSD6540 is a great external NVMe storage solution to deliver uncompromised end-to-end PCIe Gen 3.0 x16 transfer bandwidth. Each of the 4 drive bays features dedicated PCIe 3.0 x4 bus bandwidth to ensure each U.2 SSD operates at peak performance. The SSD6540 is offered as a complete, standalone solution, and includes a compact 4-Bay NVMe U.2 enclosure, PCIe 3.0 x16 controller card with external SFF-8644 connectors, and all necessary fastening and power accessories. Any PC platform with a free, dedicated PCIe 3.0 x16 slot can experience the true performance capabilities of NVMe technology.