Product Name:4 Port PCIe 3.0 x 8 to U. 2 NVMe Switch Adapter. Support Equipment:4NVMe SSD or PCIe adapter card. Host Bus Type:PCIe 3.0 x 8. 8747-4I NVMe Adapter is PCI Express x8 Gen3 PCIe switch Card. It expands the maximum storage of the 4 U. 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, r3.0 (compatible w/ PCIe r1.0a/1.1&2.0). · Compliant with PCI Power Management Spec, r1.2. · Microsoft Vista Compliant. · Supports Access Control Services. Non-blocking switch fabric, Full line rate on all ports. · Quality of Service. · Reliability, Availability, Serviceability. · Supports PCIe NVME ports. Suitable for NVMe SSD support PCI Express, it can get the maximum bandwidth and transfer rate while the 4 U. 2 NVMe SSD running at the same time. PCI Express 3.0. Windows, Red Hat, Linux, Suse, VMware, MAC OSX, FreeBSD. 25°C to 70°C (-13°F to 158°F). WHAT’S IN THE BOX. 1 – PCI Express x8 to U. 2(SFF-8643) NVMe Switch Adapter. 1 – full-height bracket (installed).