What is the Cisco WS-F6K-MSFC3?
The Cisco WS-F6K-MSFC3 is a circuit card / line card, listed by the manufacturer as "Supervisor Engine 720 MSFC3 daughter card". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Cisco WS-F6K-MSFC3: a circuit card / line card (Supervisor Engine 720 MSFC3 daughter card). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Cisco WS-F6K-MSFC3 is a circuit card / line card, listed by the manufacturer as "Supervisor Engine 720 MSFC3 daughter card". 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-MSFC3, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue