PRODUCT DESCRIPTION:  4MC28C Line Card, I/O-2FE/E948MB), NPE-400 (128MB).

The Cisco UBR7246VXR-4MC16U= features:  

The Cisco uBR7246VXR (UBR7246VXR-4MC16U), 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 (UBR7246VXR-4MC16U) is PacketCable 1.0-qualified, as well as Data Over Cable Service Interface Specifications (DOCSIS) and EuroDOCSIS 1.1-qualified.
 

(Image: Cisco uBR7246VXR Series)