Skip to product information
1 of 1

Cisco

Cisco QSFP-4SFP10G-CU0-5M | 40G→4x10G Breakout DAC | QSFP+ to 4x SFP+ | Passive Copper | 0.5m

SKU:QSFP-4SFP10G-CU0-5M

Regular price POA
POA
POA
Sale Sold out
Taxes included. Shipping calculated at checkout.

Description

Passive direct-attach copper breakout cable for 40G to four 10G connections. One QSFP+ end fans out to four SFP+ ends to simplify short-reach top-of-rack wiring with minimal latency and power. Ideal for connecting a 40G switch port (in breakout mode) to four 10G server or switch ports across a 0.5 m span.

Features

- Simple 40G-to-4x10G breakout connectivity
- Passive copper for ultra-low latency and power
- Short, clutter-free 0.5 m length for clean racks
- Cost-effective alternative to optics for in-rack links

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

View full details
  • You may also like
  • Best sellers
  • Related Products

specs-tabs

Collapsible content

FAQs

Technical Specifications

FAQs

Q: Will this work with any 40G QSFP+ port?
A: The QSFP+ port must support 40G-to-4x10G breakout mode. Check device documentation to confirm breakout capability.

Q: Is this an active or passive cable?
A: It is a passive DAC; no power is required and latency is minimal.

Q: What is the typical use case?
A: Connecting a 40G switch port to four 10G server NICs or switch ports within the same rack or adjacent racks over 0.5 m.

Technical Specifications

- Cable type: Passive direct-attach copper (DAC)
- Ends: 1x QSFP+ to 4x SFP+ breakout
- Aggregate data rate: 40 Gbps (4x10G lanes)
- Length: 0.5 meters
- Low latency, zero-power active components (passive cable)
- Application: 40G switch (breakout mode) to 4x10G NICs/ports
- Typical use: Top-of-rack server connectivity and short interconnects
- Compatibility: Requires device support for QSFP+ 40G-to-4x10G breakout

Recently Viewed

  • Request for a Quote

    Looking for competitive pricing? Submit a request, and our team will provide a tailored quote that fits your needs.

  • Contact Us Directly

    Have a question or need immediate assistance? Call us for expert advice and real-time support.

    Call us Now  
  • Contact Us Directly

    Have a question or need immediate assistance? Call us for expert advice and real-time support.

    Contact us