Cisco 40GBASE-CR4 Passive Copper Cable - Direct attach cable - QSFP+ to QSFP+ - 1 m - twinaxial - tan - for Catalyst 3016; Nexus 3016, 3064-E, 3064PQ, 3064-X

You use QSFP+ transceivers with networking ports used for uplinking and downlinking. For low-cost connections to switches in the same or adjacent racks, use QSFP+ transceivers with copper cables.

• Seamless PC compatibility for broad device connectivity
• Durable twinaxial technology ensures reliable performance
• Supports a wide operating temperature range from 0°C to 70°C

• High compatibility
  Designed to integrate seamlessly with PC systems, this cable ensures a smooth connection with a wide range of compatible devices.
• Robust design
  Featuring twinaxial technology and a direct attach cable design, this product offers durability and reliable performance for critical network connections.
• Optimal operating range
  With an operating temperature range from 0°C to 70°C, this cable is built to perform reliably in a variety of environmental conditions.

You use QSFP+ transceivers with networking ports used for uplinking and downlinking. For low-cost connections to switches in the same or adjacent racks, use QSFP+ transceivers with copper cables.