Mellanox Technologies MCP7H00-G002R QSFP28 to 2xQSFP28 6.56ft passive copper hybrid network ethernet cable

Direct-attach 100GbE breakout cable

The Mellanox MCP7H00-G002R is a passive copper hybrid cable that splits a single QSFP28 100GbE port into two QSFP28 50GbE ports. It provides a fixed 6.56ft link for short-reach rack or row connections. The assembly complies with SFF-8431 and SFF-8665 specifications and includes EEPROM data on each connector. It targets data-centre operators who need cost-efficient port density without active optics.

Replaces active optical breakouts for short runs

When the link distance fits within 6.56ft, this passive assembly removes the power draw and latency of transceivers and fibre patch cords. The jump is worth it when the switch or NIC supports QSFP28 breakout mode and the topology demands 2x50GbE fan-out from a 100GbE port. It also eliminates the need to stock separate transceiver modules and fibre cables for the same connection.

Suits high-density leaf-spine or storage fabrics

The cable suits engineers building 100GbE to 2x50GbE breakout links in top-of-rack or middle-of-row architectures. It is not for links longer than 6.56ft, for active-reach requirements, or for ports that do not support QSFP28 breakout configuration. Buyers needing extended distance or active signal conditioning should look at other interconnect types.