CircularTelecomParts Catalogue
Part Overview
The QSFP-40G-ER4 is a QSFP optical transceiver module manufactured by Cisco. Listed by the manufacturer as "QSFP 40GBASE-ER4 Transceiver Module, LC, 40KM", 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 QSFP-40G-ER4 is a QSFP optical transceiver module, listed by the manufacturer as "QSFP 40GBASE-ER4 Transceiver Module, LC, 40KM". 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-40G-ER4, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue