Mellanox MCP7F00-A01AR30N Compatible 1.5m (4.9ft) 100G QSFP28 to Four 25G SFP28 Copper Direct Attach Breakout Cable
Mellanox MCP7F00-A01AR30N Compatible QSFP28 to SFP28 DAC Splitter Cable (1.5m) supports 100GbE to 4x25GbE and 40GbE to 4x10GbE data rate, which is hot-pluggable.
