What is the Cisco MEM-224-1X128D-U?
The Cisco MEM-224-1X128D-U is a memory module, listed by the manufacturer as "MEMORY CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Cisco MEM-224-1X128D-U is a memory module — originally specified as "MEMORY CARD" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Cisco MEM-224-1X128D-U is a memory module, listed by the manufacturer as "MEMORY 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 MEM-224-1X128D-U, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue