What is the Cisco MEM-44-4G?
The Cisco MEM-44-4G is a memory module, listed by the manufacturer as "4G DRAM (1 x 4G) for Cisco ISR 4400". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Cisco MEM-44-4G is a memory module — originally specified as "4G DRAM (1 x 4G) for Cisco ISR 4400" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Cisco MEM-44-4G is a memory module, listed by the manufacturer as "4G DRAM (1 x 4G) for Cisco ISR 4400". 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-44-4G, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue