Cisco uBR10012 Series Processors

Part Number	Description
ESR-PRE4	Performance Routing Engine 4
ESR-PRE4=	Performance Routing Engine 4
UBR10-PRE5	Performance Routing Engine 5 For UBR10012
UBR10-PRE5=	Performance Routing Engine 5 For UBR10012
UBR10-PRE5-SP=	PRE5 w/ 0 License
ESR-PRE1/R	Redundant Performance Routing Engine, 512 DRAM and 32M Flash
UBR10-PRE5-SP	Spare PRE5 w/ 0 License