Cisco Systems MEM-1900-512MB= 512MB DRAM (1 DIMM) FOR CISCO 1941/1941W

Cisco Systems MEM-1900-512MB-RF 512MB DRAM (1 DIMM)FOR CISCO 1941/1941W ISR, REMANUFACTURED

Router device support for your ram module to allow maximum efficiency and dependability DIMM 512 MB memory bar to let you play puzzle, role playing, racing and other lightweight games DRAM...

Cisco Systems MEM-1900-1GB= 1GB DRAM (1 DIMM) FOR CISCO 1941/1941W I

Cisco Systems MEM-1900-2GB= 2GB DRAM (1 DIMM) FOR CISCO 1941/1941W I

Cisco Systems MEM-2900-512MB= 512MB DRAM (1 DIMM) FOR CISCO 2901, 2911