Keep up with the latest applications by upgrading to a Dual-Core processor! Dual-Core technology is like having two processors, and two working together is better and faster than one working alone! This AMD Athlon 64 X2 4400+ Dual-Core Socket AM2 CPU operates at 2300 MHz Core Speed, features 512 KB L2 Cache and provides support for future 64-bit applications!2 x 512KB CACHE