I have been tested for 15 years: Intel Core i5-750, i7-860 and i7-870 on Socket 1156

Core i7-950, 3.06 GHz, DDR3-1066, Turbo and SMT and

Core i7-870, 2.93 GHz, DDR3-1333, Turbo and SMT and

Core i7-940, 2.93 GHz, DDR3-1066, Turbo and SMT and

Core i7-870, 2.93 GHz, DDR3-1333, Turbo and SMT off

Core 2 QX9770, 3.20 GHz, DDR3-1600

Core i7-920, 2.66 GHz, DDR3-1066, Turbo and SMT and

Core i7-870, 2.93 GHz, DDR3-1333, Turbo off, SMT and

Phenom II X4 965 BE, 3.40 GHz, DDR3-1333, AMD 790FX

Core i5-750, 2.66 GHz, DDR3-1333, Turbo and

Core 2 Q9550, 2.83 GHz, DDR3-1333

Core i7-860, 2.80 GHz, DDR3-1333, Turbo off, SMT off

Core i7-860, 2.80 GHz, DDR3-1333, Turbo off, SMT and

Phenom II X4 955 BE, 3.20 GHz, DDR3-1333, AMD 790FX

Core i5-750, 2.66 GHz, DDR3-1333, Turbo off

Core 2 E8600, 3.33 GHz, DDR3-1333

Phenom II X4 940 BE, 3.00 GHz, DDR2-1066, AMD 790FX

Core 2 E8400, 3.00 GHz, DDR3-1333

Phenom II X4 810, 2.60GHz, DDR3-1333, AMD 790FX

Phenom II X3 720 BE, 2.80 GHz, DDR3-1333, AMD 790FX

Core 2 E7600, 3.06 GHz, DDR3-1066

Core 2 Quad Q8200, 2.33 GHz, DDR3-1333

Phenom II X2 550 BE, 3.10 GHz, DDR3-1333, AMD 790FX

Phenom X4 9950 BE, 2.60GHz, DDR2-1066

Athlon II X2 250, 3.00 GHz, DDR3-1333, AMD 790FX

Pentium E6300, 2.80GHz, DDR3-1066

Athlon 64 X2 4850e, 2.50 GHz, DDR2-714