Dell Networking Cable 0.5m 100GbE QSFP28 to QSFP28

The 100GbE QSFP28 Passive Direct attach copper cables provide highly reliable communication links with superior bit error rate (BER) performance. These copper cables are designed as a cost-effective and lower power alternative to optical cable assemblies for short length interconnects between active network equipment.
Hot Pluggable QSFP28 - QSFP28 form factor
Direct Attached Copper Cables
Low power consumption and low crosstalk