Cisco Systems 256 to 768MB DDR DRAM Factory Upgrade for Cisco 2811

512MB DIMM DDR DRAM Cisco 2811 - Spare

Cisco Systems Part# MEM2811-512D=

RAM Modules – RAM Module - DDR SDRAM - 512 MB Memory Size - Router - ECC - Cisco Router 2811 - 90 Day Limited Warranty