The Cisco UBR7246-MC11C features:

The Cisco uBR7246VXR (UBR7246-MC11C), part of the Cisco uBR7200 series, offers exceptional performance/price and unparalleled features. It is the only platform with a family of field-installable processor upgrades. Customers can deploy scalable solutions today that address a wide range of density, performance, and service requirements, while ensuring future network needs. The Cisco uBR7246VXR (UBR7246-MC11C) is PacketCable 1.0-qualified, as well as Data Over Cable Service Interface Specifications (DOCSIS) and EuroDOCSIS 1.1-qualified.
 

(Image: Cisco uBR7246VXR Series)