PCIe 4.0 x16 to Two SlimSAS SFF-8654 Retimer Adapter Interface Type: 2*Slim SAS SFF-8654 8i Support Equipment: Up to 4* PCIe 4.0 U. 2 NVMe SSD Host Bus Type: PCIe 4.0 x 16 Ps. Motherboards and BIOS Support Bifurcation required PCIe 4.0 Retimer Adapter for 4 U. 2 NVMe SSD by SFF-8654 to 2* SFF-8639 Cable Applications It is targeted for meeting the higher performance PCIe Gen4 interconnection needs of the following end applications: Servers Storage Appliances Hardware Accelerators The Motherboard with CPU and BIOS needs to support bifurcation to ensure PCIe x16 link width to bifurcate two x8 link width or four x4 link width for NVMe SSD, Otherwise this card can only support PCIe x16 link width. PCI Express 4.0 x16 to Two SlimSAS SFF-8654 8i Retimer Adapter Features High Performance Retimer PCIe Standards and Compatibility Supplemental Features and Standard BGA Clocking Use standard 100MHz reference clock Support 100MHz reference clock output Directly connected to PCIe 4.0 U. 2 NVMe SSD by SFF-8654 8i to 2x SFF-8639 cable Support bifurcated in quad x4 data link width configuration (CPU and BIOS both support) Support bifurcated in two x8 data link width configuration (CPU and BIOS both support) Build in SlimSAS(SFF-8654) 8i connector 2 sets, pin-out defined by SFF-9402 for high-performance storage connectivity Eight internal lanes per SlimSAS 8i port, 12GB/s per port PCIe Standard Full-profile bracket pre-installed and also a low-profile bracket for small form factor computer. Application Suitable for higher performance of PCIe Gen4 connections for Storage Servers, Data Center, Servers RAID and Controllers.