The new cisco 2600xm models are based on the current cisco 2600 platform architecture, and extend the performance by as much as 33%. The new models also increase default platform memory and provide increases in memory capacity at the same price points when compared to the current cisco 2600 models. The new xm functionality provides the same proven technology of the current cisco 2600 series platforms, including cisco ios software mainline feature support and the modularity of network modules (nms), wan interface cards (wics) and advanced integration modules (aims). Enterprises considering the cisco 2600 for branch office applications should now regard the cisco 2600xm as the preferential platform for delivering high performing, flexible solutions to branch and remote offices. Sku 658657. Specifications: aggregate system throughput: up to 20,000 pps. Two wan interface card (wic) slots, one network module slot, and an advanced integration module slot. Standard memory: 32mb dram 16mb flash. Maximum memory: 128mb dram 48mb flash. Dram - 2 slots, 32mb in 1st slot, 2nd slot empty. Flash- 16mb onboard and 1 slot. Flexible voice gateway and ip telephony configurations. Support for optional redundant power. Enables inter-vlan routing via the cisco inter-switch link (isl) protocol and 802.1Q (requires a cisco ios plus feature set).