OCPulse Heatsink Showdown! Comprehensive Air Cooling Roundup

[ryboto]

I did the testing on the two tonight for passive, both failed miserably, basically they just heated up, and continued to heat up, and even after it passed the thermal limit of the tests, it only cooled down 5c, this is even with a fan simulating an intake fan, blowing from a few inches away across the heatsink.

Im gona try with some low speed yate loons now, see how the numbers turn out.

that sucks. Weird, my Ultra 120(4pipes) could passively cool my 89W Opteron with a 200mhz OC(2.2ghz). Temps never reached more than 55C. I've since switched to an AM2 chip, and until last week, was using the Ultra 120 passive, but I've switched to the HR-01 Plus. It cools the X2 4000+ perfectly fine at stock settings passively, but I'm on an undervolting kick.

edit: strange temps you're seeing. My friend has an Ultra 120 Extreme installed on his B3 Q6600, and when he SMP folds the chip only reaches 44C. He's got one fan mounted on the U120X in a pull position, and the rear case fan acts as an intake feeding fresh air from ~ 4inches away at 900rpm to the other side of the heatsink.