What is the Cisco WS-F6K-DFC4-E?
The Cisco WS-F6K-DFC4-E is a circuit board, listed by the manufacturer as "Cat 6k 80G Sys Daughter Board DFC4E". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Cisco WS-F6K-DFC4-E is a circuit board — originally specified as "Cat 6k 80G Sys Daughter Board DFC4E" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Cisco WS-F6K-DFC4-E is a circuit board, listed by the manufacturer as "Cat 6k 80G Sys Daughter Board DFC4E". 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 WS-F6K-DFC4-E, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue