AddOn MEM-2900-512U1GB-AO RAM Module - Cisco® MEM 2900 512U1GB Compatible Factory Original 512MB DDR2 667MHz ECC 1.8V 240 pin CL5 DRAM For Router 512 MB (1 x 512MB) DRAM ECC Lifetime Warranty

These are FACTORY ORIGINAL AVL APPROVED parts for Cisco (Micron, Samsung, Hynix, etc). AVL means these parts are manufactured buy those vendors approved to sell into the OEM (Approved Vendor List). All ACP modules are built to meet or exceed OEM specifications, and JEDEC standards. All memory modules come with a Lifetime warranty and are 100% guaranteed compatible for the appropriate systems it is intended for.