Description
OCuLink SFF-8611 to Mini SAS HD SFF-8643 4i Internal Cable Assembly – High-Speed PCIe/SAS Interconnect for Compact Storage Architectures
The OCuLink (SFF-8611) to Mini SAS HD 4i (SFF-8643) internal cable assembly is a high-performance solution designed to bridge next-generation OCuLink interfaces with Mini SAS HD 4i ports, enabling seamless connectivity between PCIe or SAS-based host controllers and storage backplanes or devices. Engineered for compact environments and optimized signal integrity, this cable is ideal for enterprise servers, embedded systems, and high-density storage platforms.
Key Features:
- Connector Configuration:
- OCuLink 4i plug (SFF-8611)
- Mini SAS HD 4i plug (SFF-8643)
- Internal Cable Assembly: Designed for internal use in server chassis, storage enclosures, and compact computing systems.
- Wire Gauge: Utilizes AWG 34 conductors for fine-pitch, high-density signal routing.
- Controlled Impedance: Maintains an 85-ohm differential impedance, optimized for PCIe Gen3/Gen4 and SAS 12G protocols.
- High-Speed Data Transfer:
- Supports up to 16 GT/s per lane for PCIe
- Compatible with SAS 3.0 (12 Gbps) for storage applications
- Compact & Flexible Design: Ideal for space-constrained environments requiring efficient internal cabling.
- Robust Shielding: Ensures excellent EMI/RFI protection for stable, high-speed signal transmission.
- RoHS Compliant: Manufactured in accordance with environmental standards for hazardous substances.
Applications:
- Enterprise Storage Systems: Connects OCuLink-enabled host adapters to Mini SAS HD backplanes or expanders.
- Server Integration: Enables internal PCIe or SAS signal routing between motherboard and storage modules.
- Data Centers: Supports scalable, high-throughput storage architectures with flexible internal cabling.
- Embedded & Industrial Systems: Provides reliable, compact connectivity for ruggedized platforms and control systems.
- RAID & JBOD Enclosures: Facilitates high-speed communication between host controllers and multi-drive arrays.








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