Multi-Core Six-Core Operating Frequency 2.8 G Hz Hyper Transports 4000 M Hz L2 Cache 6 x 512KB L3 Cache 6MB Manufacturing Tech 45 nm 64 bit Support Yes Hyper-Transport Support Yes Integrated Memory Controller Speed Dual Channel PC3-10667U DDR3-1333 for 2 modules Dual Channel PC3-8500U DDR3-1066 Dual Channel PC2-8500U DDR2-1066 Virtualization Technology Support Yes Multimedia Instruction MMX 3 D Now SSE SSE2 SSE3 SSE4a Advanced Bit Manipulation AMD64 technology AMD-V virtualization technology Enhanced Virus Protection Dynamic Acceleration technology Thermal Design Power 125W Cooling Device Heatsink & Fan included The Ultimate Visual Experience for high definition entertainment advanced multitasking performance & power-saving innovations for smaller cooler machines that are energy efficient.