Template:mpu The Athlon MP 2400+ (OPN AMSN2400DUT3C) based on the Thoroughbred core was a 32-bit x86 multiprocessor developed by AMD and introduced in late 2002 for the server and workstation market. This MPU operated at 2 GHz with a FSB transfer rate of 266 MT/s (x15 multiplier), was manufactured on a newer 130 nm process.