Internal SFF-8654 8i (SlimSAS) to Dual SFF-8643 (Mini-SAS HD) Cable

📐 Specifications

• Connector A

• SFF-8654 8i (74-pin SlimSAS, typically on the HBA or RAID controller)

• Connector B

• 2 x SFF-8643 (36-pin Mini-SAS HD, typically connecting to backplanes or drive bays)

• Data Support:

• Up to 24 Gbps per SAS lane (SAS-4)

• Supports PCIe Gen4 (16 GT/s per lane), depending on system compatibility

• Channel Support

• 8 lanes total (split across 2 SFF-8643 ports)

• Each SFF-8643 carries 4 lanes

• Impedance: 100 Ohms differential

• Shielding

• Individually shielded twisted pairs

• Overall foil and braid for EMI suppression

• Typical Lengths: 0.5m, 0.6m, 0.75m

• Application

• Connecting high-speed SlimSAS ports to Mini-SAS HD backplanes or devices

• Used in enterprise servers, RAID setups, storage enclosures