What is the Cisco 40GBASE-CR4?
The Cisco 40GBASE-CR4 is a cable assembly, listed by the manufacturer as "Passive Copper Cable, 1m". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The 40GBASE-CR4 is a cable assembly manufactured by Cisco. Listed by the manufacturer as "Passive Copper Cable, 1m", it is available through Circular Telecom's surplus and refurbished network equipment marketplace as a sustainable, tested alternative to buying new.
Common Questions
The Cisco 40GBASE-CR4 is a cable assembly, listed by the manufacturer as "Passive Copper Cable, 1m". 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 40GBASE-CR4, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue