Template:mpu The CN3110-400 EXP is a 64-bit single-core MIPS communication microprocessor designed by Cavium and introduced in 2006. This processor, which incorporates a cnMIPS core, operates at 400 MHz. This processor includes a number of hardware accelerators for network processing such as compression & decompression, RegEx engine, TCP, and QoS. This MPU supports up to 4 GiB of 64-bit DDR2-667 ECC memory.