Template:mpu The CN3630-400 SCP is a 64-bit quad-core MIPS secure network communication microprocessor (SNP) designed by Cavium and introduced in 2005. This processor, which incorporates four cnMIPS cores, operates at 400 MHz and dissipates 14 Watts. This processor includes a number of hardware networking accelerators including units for high-performance packet I/O processing, QoS, TCP, and encryption. This MPU supports up to 16 GiB of DDR2-800 ECC memory.