Cisco 12000 Series Performance Route Processor-2 (PRP-2) is the next-generation route processor for all Cisco 12000 Series Routers. PRP-2 offers up to 100 percent performance improvement on most system tasks, up to 4 GB of memory, a Gigabit Ethernet management port, and a hard drive option. PRP-2 delivers the scalability needed for service and network convergence. Additionally, it provides a Building Integrated Timing Supply (BITS) interface, a component of the Cisco 12000 Series BITS architecture which enables network service synchronization on the Cisco 12000 Series.