NVMe Adapter is PCI Express x. It expands the maximum storage of the 4 M. 2 SSD via scalable, high-bandwidth, non-blocking interconnection to a wide variety of graphics applications including servers, storage, communications, and graphics platforms. It is optimized to support high-resolution graphics while supporting peer-to-peer traffic and multicast for maximum performance. Compliant PCI Express Base Specification, r. Supports up to 4 M. Non-blocking switch fabric, Full line rate on all ports. The PCIe transfer rate up to. SSD transfer rate up to. 2-4I is suitable for expanding more SSD interfaces to connect more SSDs for increased storage capacity. Suitable for small sized M. 2 SSD support PCI Express, It can get the maximum bandwidth and transfer rate while the 4 M. 2 SSD running at the same time.