Description
IB 12x CXP to 3× IB 4x External Cable Assembly – High-Speed Fanout for InfiniBand and HPC Interconnects
The IB 12x to 3× IB 4x external cable assembly, featuring one SFF-8642 plug (CXP 12x) and three SFF-8470 4X plugs, is a high-performance fanout solution designed for InfiniBand and high-speed serial applications. Engineered for 100-ohm differential impedance and available in 32AWG to 24AWG wire sizes, this cable enables the bifurcation of a single 12-lane InfiniBand interface into three independent 4-lane channels—ideal for scalable, low-latency data center and HPC deployments.
⚙️ Key Features
- Connector Configuration:
- IB 12x plug (SFF-8642 / CXP) to 3 × IB 4x plugs (SFF-8470)
- Supports fanout from a single 12-lane InfiniBand port to three 4-lane endpoints
- Protocol Compatibility:
- Fully supports InfiniBand 12X/4X, SAS, and other high-speed serial protocols
- Ideal for bridging high-density switches to multiple compute or storage nodes
- Signal Integrity:
- Maintains 100-ohm differential impedance ±10 ohm
- Optimized for low insertion loss, minimal crosstalk, and stable high-speed transmission
- Wire Gauge Options:
- Available in 32AWG to 24AWG, offering flexibility for short runs and durability for extended distances
- Mechanical Design:
- Rugged external-grade construction with molded strain relief and EMI shielding
- Secure latching ensures reliable retention in high-vibration environments
- RoHS Compliant:
- Manufactured in accordance with global environmental and safety standards
🧩 Applications
- InfiniBand Networks: Connects 12X InfiniBand switches or HCAs to multiple 4X endpoints such as compute nodes or storage targets
- High-Performance Computing (HPC): Enables high-throughput, low-latency interconnects across clustered systems
- Data Centers: Facilitates scalable external links between servers, switches, and storage enclosures
- OEM & ODM Integration: Ideal for custom-built platforms requiring multi-channel InfiniBand fanout
- Protocol Bridging: Supports hybrid deployments where high-density CXP ports must interface with legacy 4X infrastructure
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