Intel Core i7 975 Extreme Edition 3.33GHz 8M L3 Cache LGA1366 Desktop Processor Intel Core i7-975 Extreme Edition 3.33 GHz 6.4 GT/s 8 MB Socket 1366 Quad-Core CPU General Features: Intel Core i7 Processor Extreme Edition i7-975 3.33 GHz CPU speed 6.4 GT/s (Gigatransfers per second) Bus speed 4 x 256 KB L2 cache 8 MB L3 cache size Socket 1366 45 nm manufacturing technology 25 bus/core ratio 130-watt thermal design power D0 core stepping .80V - 1.375V VID Voltage Range