Description
SFF-8644 1×1 4X receptacle / SFF-8643 1×1 4X receptacle Adapter Card – Mini SAS HD 4x to Mini SAS HD 4i Interface for High-Speed Internal Connectivity
The SFF-8644 1×1 4X receptacle to SFF-8643 1×1 4X receptacle adapter card is a compact, high-performance interface solution designed to bridge external and internal Mini SAS HD connections. Engineered for signal integrity, mechanical reliability, and seamless integration, this adapter card is ideal for enterprise storage systems, servers, and high-density computing environments.
Key Features:
- Connector Configuration:
- SFF-8644 1×1 4X receptacle (Mini SAS HD external interface)
- SFF-8643 1×1 4X receptacle (Mini SAS HD 4i internal interface)
- Form Factor: Adapter card format for easy installation into storage enclosures or server chassis.
- Interface Support: Compatible with SAS 3.0 and SATA protocols, supporting up to 12 Gbps per lane.
- Controlled Impedance: Maintains a 100-ohm differential impedance, ensuring excellent signal integrity and minimal crosstalk.
- High-Density Design: Mini SAS HD connectors allow for compact routing and improved airflow in space-constrained environments.
- Durable Construction: Shielded connectors provide robust EMI/RFI protection.
- RoHS Compliant: Manufactured in accordance with environmental standards for hazardous substances.
Applications:
- Enterprise Storage Systems: Bridges external Mini SAS HD cables to internal drive backplanes or expanders.
- Server Integration: Enables high-speed internal data routing between host adapters and storage modules.
- Data Centers: Supports scalable, high-throughput storage configurations within rack-mounted systems.
- Industrial Computing: Provides reliable internal connectivity for embedded control systems and automation platforms.
- RAID & JBOD Enclosures








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