Intel Core i5 Quad Core 3570K Ivy Bridge 3.4GHz Socket LGA1155

The Intel Ivy Bridge CPU is cooler and faster than anything before it clock-for-clock. With 22-nanometer transistor technology the smaller size bringing enhanced efficiency and more computational power, about 20 percent more processor performance using 20 percent less average power.

Specifications:

Intel i5 3570K 3.4GHz
LGA1155
Quad Core (with 4 threads)
Unlocked Clock Multiplier
22nm
6MB L3 cache
With Turbo Boost (to 3.8GHz)
77w
VT-x
Built-in dual channel DDR3-1600 memory controller
Intel HD4000 Graphics (650/1100MHz)
Ivy Bridge