Cisco 3640 Router with NM-1E2W and 64D/16F

Model: 3640

The Cisco 3640 server is equipped with four network module slots. One-port Ethernet, two WAN card slot network modules. Processor Type 100-MHz IDT R4700 RISC. Flash Memory 4 MB, upgradable to 32 MB.  System Memory 16 MB DRAM, upgradable to 128 MB DRAM. Network Module Slots 4 slots. Dimensions 17.5-in. width x 3.44-in. height x 15.75-in. depth. Performance 50–70 kbps. Has Console and Auxiliary Ports (up to 115.2 kbps) and Dual Type II PC Card Slots. Rack-mountable.

FROM THE MANUFACTURER