Part Number Description
MEM-2900-1GB= 1 GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare
MEM-2900-1GB 1 GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare
MEM-2900-2GB= 2GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare
MEM-2900-2GB 2GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare
MEM-2900-512MB= 512MB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare
MEM-2900-512MB 512MB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare
MEM-2900-512MB-DEF 512MB DRAM for Cisco 2901-2921 ISR (Default)
MEM-2900-512U1.5GB 512MB to 1.5GB DRAM Upgrade (1GB+512MB) for Cisco 2901-2921
MEM-2900-512U1GB 512MB to 1GB DRAM Upgrade (512MB+512MB) for Cisco 2901-2921
MEM-2900-512U2.5GB 512MB to 2.5GB DRAM Upgrade (2GB+512MB) for Cisco 2901-2921