SFF-8643 8i plug / SFF-8643 8i plug

Description

Mini SAS HD 8i to 8i Internal Cable Assembly – High-Bandwidth SAS 24G Interconnect for Enterprise Storage and Compute Systems

The Mini SAS HD 8i to 8i internal cable assembly, featuring dual SFF-8643 8i plugs, is a high-performance solution designed for ultra-fast internal data transmission in next-generation storage and server platforms. Supporting SAS 6G/12G/24G and PCIe Gen 4.0 signaling, this cable delivers exceptional signal integrity and bandwidth scalability for high-density environments.

⚙️ Key Features

• Connector Configuration:
  • Mini SAS HD 8i plug (SFF-8643) to Mini SAS HD 8i plug (SFF-8643)
  • Supports 8-lane high-speed internal connections between host controllers, expanders, and backplanes
• Protocol Compatibility:
  • Fully supports SAS 6Gbps, 12Gbps, and 24Gbps per lane
  • Compatible with PCIe Gen 4.0 signaling for NVMe and hybrid storage architectures
• Signal Integrity:
  • Differential impedance: 100 ohm / 85 ohm
  • Engineered for low insertion loss, minimal crosstalk, and stable high-speed transmission
• Wire Gauge Options:
  • Available in 30AWG to 28AWG, offering a balance of flexibility, durability, and electrical performance
• Mechanical Design:
  • Compact, high-density connectors with secure latching and molded strain relief
  • Ideal for tight internal routing and airflow optimization in 1U/2U systems
• RoHS Compliant:
  • Manufactured in accordance with global environmental and safety standards

🧩 Applications

• Enterprise Storage Systems: Connects SAS 24G RAID or HBA cards to backplanes, expanders, or drive cages
• Data Centers: Enables high-speed internal links in servers, JBODs, and storage enclosures with scalable drive configurations
• 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 robust 8-lane SAS interconnects
• PCIe and SAS Hybrid Deployments: Facilitates flexible architecture designs using shared cabling infrastructure