Quote Originally Posted by davexl View Post
Two Q6600s retail. Hit wall on both machines, at exactly the same point – 3500+ goes boom. 3456 is rock solid.

Ultra-120 Extreme on both is simply stunning – 10-15C cooler than the Ultra-120s they replaced.

Q6600 L644G068 4/4/07
P5B Deluxe Bios 1011
Ultra-120 Extreme
Thermaltake Toughpower 700w

12 hour stable tested:
3456MHz @ 1.5625v bios = 323 watts system @ 8K Prime95

24 hour stable:
3330MHz @ 1.4875v bios = 294 Watts system @ 8K Prime95
(droops to 1.384v in Prime95)

Q6600 L638F582 4/16/07
P5K Deluxe BIOS 307
Ultra-120 Extreme
Thermaltake Toughpower 750w

3456MHz @ 1.5125v bios (damper on) = 323 watts system 8K Prime95
(droops to 1.464v in Prime95)

14 hour stable tested:


what kind of temps are u getting ??
i have the ultra extreme with 2 fans and when i run 3.2 temps hit mid 70s on load