Cisco Memory

RSP4 32MB DRAM Option (RSP4 Default)

RSP4/RSP4+ 128MB DRAM Option

RSP16 512MB ECC SDRAM Memory Option

RSP16 256MB ECC SDRAM Memory Option

1GB ECC SDRAM Memory Option

RSP16 128MB ECC SDRAM Memory Option

Cisco 12000 Series 1x512M SDRAM