the Quick Specs of the CISCO3945/K9.

Product Code CISCO3945/K9

Services Performance Engine module w/SPE 150

Rack Units 3U

Interfaces 3 integrated 10/100/1000 Ethernet ports with 2 ports capable of RJ-45 or SFP connectivity

Expansion Slot(s) 4 service module slots  
                              1 Internal Services Module slot  
                              4 onboard digital signal processor (DSP) slots  
                              4 Enhanced High-Speed WAN Interface Card (EHWIC) slots

RAM 1 GB (installed) / 2 GB (max)

Flash Memory 256 MB (installed) / 8 GB (max)

Dimensions 47.6 cm x 43.8 cm x 13.3 cm

Package Weight  21.84 Kg