What is the Cisco QSFP-100G-CU50CM?
The Cisco QSFP-100G-CU50CM is a cable assembly, listed by the manufacturer as "100GBASE-CR4 Passive Copper cable". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Cisco, the QSFP-100G-CU50CM (100GBASE-CR4 Passive Copper cable) is a cable assembly. Circular Telecom sources, tests, and resells surplus and refurbished Cisco equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Cisco QSFP-100G-CU50CM is a cable assembly, listed by the manufacturer as "100GBASE-CR4 Passive Copper cable". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Cisco network equipment, including parts such as the QSFP-100G-CU50CM, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue