Cisco QSFP-4SFP10G-CU5M 40G Breakout DAC Cable 5M

• 40G switch to 10G server connectivity in data centers
• Top-of-Rack (ToR) switch breakout configurations
• Leaf-spine architecture deployment in enterprise networks
• Virtualization cluster interconnect (VMware, Hyper-V environments)
• Storage area network (SAN) and NAS connectivity optimization
• Cloud infrastructure node expansion and scaling
• High-density enterprise rack-to-rack interconnects
• HPC (High Performance Computing) network fabrics
• Enterprise network modernization from 10G to 40G backbone

• Plug-and-play deployment with minimal configuration requirements
• High port utilization efficiency for 40G switch interfaces
• Cost-effective alternative to optical transceiver-based designs
• Supports high-density virtualization and cloud workloads
• Reduces network complexity by minimizing active components
• Improves energy efficiency in enterprise data centers
• Fully compatible within validated Cisco switching ecosystems
• Optimized for scalable leaf-spine network architectures
• Enhances rack-level cable management and airflow efficiency
• Suitable for enterprise and hyperscale environments
• Supports infrastructure modernization and hybrid cloud expansion 

• Brand: Cisco
• Product Model: QSFP-4SFP10G-CU5M
• Product Type: 40G QSFP+ to 4x10G SFP+ Breakout Cable
• Cable Type: Passive Copper Direct Attach (DAC)
• Cable Length: 5 Meters
• Connector Type (Side A): QSFP+
• Connector Type (Side B): 4 × SFP+
• Maximum Data Rate: 40Gbps (4 × 10Gbps lanes)
• Application Type: 40G to 10G breakout connectivity
• Deployment Environment: Enterprise and Data Center networks
• Use Case Category: Rack-to-rack / Intra-rack interconnect
• Power Requirement: Passive (No external power required)
• Latency Profile: Ultra-low latency direct attach design
• Installation Type: Plug-and-play (no configuration required)
• Supported Architecture: Leaf-spine / ToR switching / aggregation layers

WHY CHOOSE THIS PRODUCT?

• Organizations choose this cable to maximize 40G switch port utilization by splitting it into four 10G links without adding extra hardware.
• It significantly reduces infrastructure costs compared to deploying multiple optical transceivers and fiber patching.
• Its passive design eliminates power consumption at the cable level, improving data center energy efficiency.
• Ideal for high-density environments where space, airflow, and cable management are critical operational concerns.
• Provides consistent low-latency performance for storage networks, virtualization clusters, and cloud compute fabrics.