SFF-8611 to SFF-8611 Internal High-Speed Cable

🔌 Cable Overview

• Cable Name: SFF-8611 to SFF-8611 Internal High-Speed Cable

• Connector A: SFF-8611 4i (38-pin, straight)

• Connector B: SFF-8611 4i (38-pin, front-angle / right-angle forward)

• Cable Type: Internal high-speed data interconnect

• Typical Lengths: 20cm, 30cm, 50cm, 75cm

📐 Technical Specifications

• Protocols Supported:

• PCIe Gen3 / Gen4 (8 GT/s to 16 GT/s per lane)

• SAS-3 / SAS-4 (12 Gbps to 24 Gbps per lane)

• NVMe over PCIe (if used in supported system)

• Lane Configuration:

• 4 lanes total (x4 PCIe or 4 SAS channels)

• Impedance:

• 85 Ohms differential (PCIe and SAS compliant)

• Wire Gauge:

• Typically 30 AWG or 32 AWG

• Shielding:

• Individually shielded differential pairs

• Overall foil and braid shield for EMI suppression

• Bend Radius:

• Designed for tight routing in 1U/2U servers

• Front-angle connector allows clean cable management and airflow

⚙️ Use Case

• Connects:

• SAS/RAID controller or PCIe backplane using OCuLink (SFF-8611) ports

• To another OCuLink device, drive cage, expander board, or U.2/U.3 bay

• Common Environments:

• High-density servers

• Rackmount storage systems

• PCIe/NVMe/U.2 internal routing

• Custom enterprise RAID builds