16MB Flash Memory for the 3600

16 to 64 MB factory flash upgrade for Cisco 3600

32MB Flash for the Cisco 3600 Series 2x16MB Flash SIMMs

4 MB Blank Flash PCMCIA Card for the Cisco 3600 Series

8 MB Flash Card for the Cisco 3600 Series

16 MB DRAM SIMM for the Cisco 3620 Series

32-to-48 MB DRAM Factory Upgrade for the Cisco 3620

8 MB DRAM SIMM for the Cisco 3620 Series

32 to 128MB Compact Flash factory upgrade for the Cisco 3631

64MB DIMM DRAM for the Cisco 3631

64 to 128MB DIMM DRAM factory upgrade for the Cisco 3631

64 to 256MB DIMM DRAM factory upgrade for the Cisco 3631

64MB DRAM for the Cisco 3640 2x32MB DRAM SIMMs

32-to-128 MB DRAM Factory Upgrade for the Cisco 3640

32-to-64 MB DRAM Factory Upgrade for the Cisco 3640

128MB DRAM for the Cisco 3640 4x32MB DRAM SIMMs

Included 128 MB SDRAM

256MB DRAM for the Cisco 3660 2x128 MB DRAM SIMMs

128MB DRAM for the Cisco 3660 2x64 MB DRAM SIMMs

32 MB Flash Field Upgrade for the Cisco 3660

32-to-128MB DRAM Factory Upgrade for the Cisco 3660

32-to-64MB DRAM Factory Upgrade for the Cisco 3660

32-to-96MB DRAM Factory Upgrade for the Cisco 3660

64 to 128 MB factory SDRAM upgrade for Cisco 3660