External HD Mini SAS SFF-8644 Female to Internal HD Mini SAS SFF-8643 4i Cable

The External HD Mini SAS SFF-8644 Female to Internal HD Mini SAS SFF-8643 4i Cable is a hybrid connectivity solution designed to bridge external SAS interfaces with internal storage systems. This cable features an external SFF-8644 female connector and an internal SFF-8643 4i connector, enabling seamless data transmission between external storage devices (e.g., JBODs) and internal server backplanes. It supports high-speed data transfer rates up to 12Gb/s (SAS-3) and is ideal for data center expansions, storage area networks (SANs), and server upgrades requiring reliable external-to-internal connectivity.  

Features  

• Hybrid Design: Connects external SFF-8644 ports to internal SFF-8643 backplanes (enables bidirectional data flow)  
• High-Speed Performance: Supports SAS-3 12Gb/s and SAS-2 6Gb/s protocols (ensures full bandwidth utilization)  
• Robust Shielding: Metal-shielded SFF-8644 connector with EMI protection (minimizes signal interference)  
• Secure Connection: Latching mechanisms on both connectors (vibration-resistant and reliable mating)  
• Hot-Plug Capable: Supports hot-swapping for maintenance without system downtime  
• Durable Construction: High-quality materials ensure 5,000 mating cycles (long-term reliability)  
• Space-Optimized: Internal SFF-8643 connector facilitates clean cable management in servers  

Specifications  

• Product Model: External HD Mini SAS to Internal HD Mini SAS Cable  
• External Connector: SFF-8644 Female (36-position, Metal Shell)  
• Internal Connector: SFF-8643 4i Male (36-position, Plastic Body)  
• Data Rate Support: Up to 12Gb/s (SAS-3), 6Gb/s (SAS-2)  
• Supported Protocols: SAS-3/2/1, SATA 3.2/2.0  
• Impedance: 100? ±10%  
• Shielding: Braided overall shielding with aluminum mylar foil (minimizes EMI/RFI interference)  
• Cable Length: 0.5m (standard options)  
• Operating Temperature: -20°C to +85°C  
• Durability Rating: 5,000 mating cycles  
• Voltage Rating: 30V per contact  
• Current Rating: 1.5A per pin  

Applications  

• Data Center Storage Expansion: Connecting external JBODs to internal server backplanes  
• Storage Area Networks (SANs): Facilitating high-speed links between external storage and internal systems  
• Server Manufacturing: Integrating external storage interfaces into OEM server designs  
• Hardware Upgrades: Adding external storage connectivity to existing servers  
• Disaster Recovery Systems: Supporting redundant storage configurations with external backups  
• Test and Development: Validating external-to-internal SAS connectivity in lab environments  
• Cloud Infrastructure: Enabling scalable storage solutions in hyperscale environments