
The QSFP-100G-CU5M is a 100 Gigabit Ethernet (100GbE) Quad Small Form-Factor Pluggable (QSFP28) direct attach copper cable, specifically a 5-meter length. “CU” indicates it’s a copper cable, and “5M” signifies its length. This cable is designed for short-distance connections within data centers, typically between switches and servers in the same rack or adjacent racks. It provides a cost-effective alternative to optical transceivers and fiber cables for short-range 100GbE connections.