Cisco QSFP to 4x SFP-10G Breakout Cable 2m Passive Copper

• Data center leaf-spine architecture interconnects
• 40G aggregation switch to 10G server connections
• Virtualization cluster networking (VMware, Hyper-V, KVM environments)
• Cloud infrastructure scaling with mixed-speed environments
• Enterprise core-to-access layer bandwidth distribution
• High-density rack server connectivity
• Storage network access layer integration (SAN adjacency)
• Network refresh projects migrating from 10G to 40G backbones
• HPC (High Performance Computing) cluster interconnects
• Carrier-neutral colocation facility deployments

• Breaks one 40G QSFP port into four 10G SFP-10G connections
• Passive copper design for low latency and zero signal regeneration
• Optimized for short-distance intra-rack and inter-rack deployments
• Reduces transceiver count and overall network hardware cost
• Supports high-density switch aggregation architectures
• Enhances port utilization efficiency in modular switching environments
• Plug-and-play deployment with no configuration required
• Ideal for leaf-spine and Clos network topologies
• Energy-efficient alternative to multiple optical transceivers
• Stable throughput for enterprise virtualization workloads
• Simplifies structured cabling in modern data centers

• Brand: Cisco
• Product Type: QSFP to 4x SFP-10G Breakout Cable
• Interface A: QSFP (40G)
• Interface B: 4 × SFP-10G
• Cable Type: Passive Copper (DAC)
• Length: 2 meters
• Data Rate: 40G to 4 × 10G
• Latency: Near-zero (passive design)
• Application: Data center interconnect / breakout
• Hot Swappable: Yes (platform dependent)
• Compatibility: Cisco QSFP-supported switches

WHY CHOOSE THIS PRODUCT?

• Organizations choose this breakout cable to maximize switch port utilization while minimizing upgrade costs. Instead of deploying multiple 10G uplinks, a single 40G QSFP port efficiently distributes bandwidth across four 10G endpoints.
• Compared to individual transceiver-based deployments, it reduces power consumption, simplifies cabling infrastructure, and improves rack-level density management. It also supports gradual infrastructure scaling, allowing enterprises to expand 10G workloads without redesigning the entire switching fabric.
• For procurement teams, this model delivers strong lifecycle value by extending the usability of existing QSFP-based hardware while enabling phased network modernization toward higher-speed backbones.