The SFF-8654 8i to 2× MiniSAS HD (SFF-8643) cable is a high-performance interconnect solution designed to expand storage connectivity in enterprise servers, data centers, and high-performance computing environments. It efficiently splits a single 8-lane (8i) SFF-8654 (Octal MiniSAS) connector into two 4-lane (4i) MiniSAS HD (SFF-8643) ports, enabling flexible and high-bandwidth storage expansion.
Key Features
1. High-Speed Data Transfer
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Supports SAS-3 (12Gbps per lane) and SATA III (6Gbps) protocols.
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Delivers aggregate bandwidth of up to 96Gbps (12Gbps × 8 lanes) when fully utilized.
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Backward compatible with SAS-2 (6Gbps) and SATA II (3Gbps) devices.
2. Flexible Connectivity
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SFF-8654 (8i) Host Side – Connects to SAS HBAs (Host Bus Adapters), RAID controllers, or server backplanes.
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Dual SFF-8643 (4i) Device Side – Allows connection to two separate storage devices, JBODs, or expanders.
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Enables efficient drive expansion without requiring additional host ports.
3. Robust & Reliable Design
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Shielded cables reduce electromagnetic interference (EMI) for stable signal transmission.
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Secure locking mechanisms (SFF-8643 connectors) prevent accidental disconnections.
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High-quality materials ensure durability in 24/7 enterprise environments.
4. Wide Compatibility
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Works with major server brands (Dell, HPE, Lenovo, Supermicro, etc.).
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Compatible with SAS/SATA SSDs, HDDs, and storage enclosures.
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Ideal for PCIe-based storage systems requiring MiniSAS HD connections.
Applications
✔ Data Centers – Expand storage capacity efficiently.
✔ RAID Controllers – Connect more drives without bottlenecks.
✔ Server Upgrades – Modernize legacy systems with high-speed MiniSAS HD interfaces.
✔ External Storage Enclosures – Simplify cabling while maintaining high bandwidth.
Technical Specifications
Parameter Details Connector (Host) SFF-8654 (8i, Octal MiniSAS) Connectors (Device) 2× SFF-8643 (4i, MiniSAS HD) Supported Protocols SAS-3 (12Gbps), SAS-2 (6Gbps), SATA III (6Gbps) Cable Length Typically 0.5m, 1m (custom options available) Data Transfer Rate Up to 96Gbps (8 lanes × 12Gbps) Compatibility Enterprise servers, RAID controllers, storage enclosures
Why Choose This Adapter?
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Cost-Effective Expansion – Avoid purchasing additional HBAs by splitting one 8i port into two 4i connections.
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Future-Proof – Supports high-speed SAS-3 for next-gen storage devices.
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Plug-and-Play – No drivers required; hot-swappable for easy maintenance.
The SFF-8654 8i to 2× MiniSAS HD (SFF-8643) cable is an essential tool for IT professionals and system integrators looking to maximize storage performance and scalability. Whether you're upgrading an existing setup or deploying a new storage solution, this adapter ensures high-speed, reliable, and flexible connectivity.
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