SFF-8665 plug / SFF-8402 plug * 4

Description

SFF-8402 plug QSFP28 to 4× SFP28 Breakout Cable Assembly – High-Speed 100G to 4×25G Fanout for Ethernet and Data Center Applications

The QSFP28 to 4× SFP28 breakout cable assembly, built to the SFF-8665 (QSFP28) and SFF-8402 (SFP28) interface standards, is a high-performance external interconnect solution designed to split a single 100G port into four independent 25G lanes. Engineered for superior signal integrity and mechanical reliability, this cable is ideal for high-density Ethernet networking, cloud infrastructure, and high-performance computing environments.

⚙️ Key Features

• Connector Configuration:
  • QSFP28 plug (SFF-8665) to 4 × SFP28 plugs (SFF-8402)
  • Enables 100G to 4×25G fanout for flexible port utilization
• Signal Integrity:
  • Supports up to 25Gbps per lane, delivering 100Gbps aggregate bandwidth
  • Maintains 100-ohm differential impedance ±10 ohm for stable high-speed transmission
• Wire Gauge & Length Options:
• Robust Shielding:
  • Provides excellent EMI/RFI protection for consistent performance in high-density environments
• Hot-Pluggable Design:
  • Enables easy installation and replacement without system downtime
• RoHS Compliant:
  • Manufactured in accordance with global environmental and safety standards

🧩 Applications

• Data Centers: Breaks out 100G QSFP28 switch ports into four 25G SFP28 links for top-of-rack or spine-leaf architectures
• Enterprise Networking: Enables scalable bandwidth distribution across aggregation and access layers
• Cloud Infrastructure: Supports high-throughput interconnects between compute, storage, and fabric nodes
• High-Performance Computing (HPC): Facilitates multi-channel connectivity for cluster and accelerator integration
• OEM & ODM Integration: Ideal for custom system builds requiring breakout configurations and precise SI performance