From the Manufacturer The Intel Core 2 Quad Q9650 brings four computing cores running at 3.00 GHz in a single processor for the ultimate in efficiency and performance. It features 12 MB of L2 cache and a 1333 MHz front side bus, and it uses the LGA775 socket for wide compatibility with motherboards. The processor features Intel's 45nm architecture and delivers multimedia experiences with greater speed and responsiveness. With the Q9650, demanding users can now accomplish more in less time. With four cores, you'll experience outstanding performance and better efficiency. The Core 2 Quad Q9650 lets you enjoy a smooth and high-quality multimedia experience. Intel's Intelligent Power Capability ensures optimal energy efficiency. Intel Core 2 Quad Q9650 Processor features: Four computing cores running at 3.00 GHz. 12 MB of L2 cache. 1333 MHz front side bus. Multimedia acceleration for editing HD video without hiccups. Stunning Performance Runs Latest Software with Ease Starting with Intel's revolutionary new high-efficiency, high-performance 45nm processor technology, Intel engineers decided to go one step farther in the performance department. By including 12 MB of shared L2 cache and a front side bus speed of 1333 MHz, the Q9650 processor pushes the technological innovation envelope farther than ever before. For users, this means the latest and most advanced software applications can open and run faster with superior responsiveness. When used with the latest multimedia software and next-generation games, dropped frames, long waiting times, and stuttering performance are things of the past.