4 Port PCIe 3.0 x16 to U.2 SFF-8643 NVMe Adapter Expansion Card with Cooling Fan por | Jul 4, 2026It is optimized to support high-resolution graphics while supporting peer-to-peer traffic and multicast for maximum performance. Host Bus Type:PCIe 3.0 x 16. · The PCIe transfer rate up to 128Gb/s and the SSD transfer rate up to 32Gb/s.