SFF-8644 4x plug / SFF-8643 4i plug

Description

Mini SAS HD 4x to 4i Internal Cable Assembly – High-Speed SAS Interconnect for Internal-to-External Storage Integration

The Mini SAS HD 4x to 4i internal cable assembly, featuring a SFF-8644 4x plug and a SFF-8643 4i plug, is a high-performance solution designed to bridge external and internal SAS interfaces. Supporting SAS 6G/12G/24G signaling, this cable enables seamless connectivity between external Mini SAS HD ports and internal backplanes, expanders, or drive cages—ideal for enterprise storage systems and high-density server environments.

⚙️ Key Features

• Connector Configuration:
  • Mini SAS HD 4x plug (SFF-8644) to Mini SAS HD 4i plug (SFF-8643)
  • Facilitates internal-to-external SAS routing for hybrid storage architectures
• Protocol Compatibility:
  • Fully supports SAS 6Gbps, 12Gbps, and 24Gbps per lane
  • Compatible with HBAs, RAID controllers, expanders, and enclosures using Mini SAS HD interfaces
• Signal Integrity:
  • Maintains 100-ohm differential impedance ±10 ohm
  • Engineered for low insertion loss and minimal crosstalk across all signal pairs
• Wire Gauge Options:
  • Available in 32AWG to 28AWG, balancing flexibility, durability, and high-speed performance
• Mechanical Design:
  • Compact, high-density connectors with secure latching and molded strain relief
  • Ideal for tight internal routing and clean cable management
• RoHS Compliant:
  • Manufactured in accordance with global environmental and safety standards

🧩 Applications

• Enterprise Storage Systems: Connects external Mini SAS HD ports to internal SAS backplanes or drive cages
• Data Centers: Enables high-speed internal-to-external links in servers, JBODs, and storage enclosures
• High-Performance Computing (HPC): Supports low-latency, high-bandwidth connectivity between compute nodes and storage fabrics
• OEM & ODM Integration: Ideal for custom server and storage builds requiring hybrid SAS routing
• SAS Infrastructure Expansion: Facilitates flexible system design with reliable internal-to-external interconnects