SFF-8643 4i plug / SFF-8643 4X plug*4

Description

SFF-8643 4i plug Mini SAS HD 4i to 4× 4i Internal Cable Assembly – High-Density Fanout for SAS 24G Storage and Server Applications

The Mini SAS HD 4i to 4× 4i internal cable assembly, featuring SFF-8643 compliant connectors, is a high-performance fanout solution designed to split a single Mini SAS HD 4i interface into four independent 4-lane SAS channels. Engineered for SAS 6G/12G/24G signaling, this cable enables efficient multi-target connectivity in enterprise storage systems, high-density servers, and JBOD enclosures.

⚙️ Key Features

• Connector Configuration:
  • Mini SAS HD 4i plug (SFF-8643) to 4 × Mini SAS HD 4i plugs (SFF-8643)
  • Supports fanout from one controller port to four separate SAS targets
• Protocol Compatibility:
  • Fully supports SAS 6Gbps, 12Gbps, and 24Gbps data rates
  • Backward-compatible with legacy SAS infrastructure
• Signal Integrity:
  • Maintains 100-ohm differential impedance ±10 ohm
  • Optimized for low insertion loss and minimal crosstalk in high-speed environments
• Wire Gauge Options:
  • Available in 32AWG to 28AWG, offering flexibility and signal performance across various lengths
• Mechanical Design:
  • Compact, high-density connectors with secure latching and molded strain relief
  • Ideal for tight internal routing and airflow optimization
• RoHS Compliant:
  • Manufactured in accordance with global environmental and safety standards

🧩 Applications

• Enterprise Storage Systems: Connects SAS 24G RAID or HBA cards to multiple backplanes, expanders, or drive cages
• Data Centers: Enables high-speed internal links in servers and storage enclosures with scalable drive configurations
• High-Performance Computing (HPC): Supports multi-channel connectivity between compute nodes and storage fabrics
• OEM & ODM Integration: Ideal for custom server and storage builds requiring compact, high-bandwidth fanout cabling
• SAS Infrastructure Expansion: Facilitates efficient port bifurcation for multi-target SAS deployments