Intel Core 2 Quad Q6700

The Intel Core 2 Quad Q6700 brings 4 cores and 8 threads. Clocks run from 2.66GHz base to 2.66GHz boost. It drops into the LGA775 socket with a 100W TDP — about 25W per core. Confirm motherboard socket compatibility before anything else, then size the cooler to the TDP.

At $320.00 it sits in the high-end processor bracket. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Intel backs the product through its standard warranty channels; check the listing for region-specific terms. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.