Template:mpu The CN3005-400 SCP is a 64-bit single-core MIPS secure communication microprocessor (SCP) designed by Cavium and introduced in early 2006. This processor, which incorporates a single cnMIPS core, operates at 400 MHz and dissipates 3 Watts. This processors includes a number of hardware security communication accelerators including units for encryption, QoS, and TCP acceleration.