Monst3r

are u using mosfet coolers with little fans on top?

scottath

The top picture is Crucial Ballistix with normal heatspreadders and 2 80mm fans mounted above [tower of motherboard standoffs through the screw holes]

Second picture is the ram with a single 60mm fan and the 120mm above it - still with the stock Crucial heatspreadders in place

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jasoncho92

I can understand getting ram cooling if the ram is heating up, but the OP is just getting it for the sake of getting more cooling. Id rather him not waste his money for no reason, and instead, use the money for something useful.

Monst3r

Ah yeh nice ill figure something out.. so the 2 60mm fans are doin what?

DuckieHo

Actually, heatspreader ARE useful on most RAM now. It is quite possible for chips to break contacts due to thermal cycling. The heatspreader helps even out chip temperatures. RAM chips are now the surface mount type which can fail as opposed to the older RAM where contacts where around the edges only.

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Monst3r

thanks rep+

SZayat

r u srs?

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jasoncho92

Well, even if they actually lower temps now, what is the point of actually paying for them if you are no where near the dangerous temperature for ram? I cant understand why no one sees it this way. Is it cool to waste money like this or something?

Monst3r

i understand where ur coming from.. im thinking the same thing.. with all my intake fans and exhaust fans dont see how it could be a problem.. but according to some people they think its a big issue, so beats me

Blameless

I'm pretty skeptical that thermal cycling would break BGA solder contacts at the even at the temperature range my memory runs at (~25-70C). There are safeguards inplace to prevent this, and the official, warranteed, operating temperatures for most memory ICs are fairly huge (on the order of 0C to 85C).

You do have a point about heatspreaders evening out temps/reducing hot spots. This does make the memory easier to cool with active air flow. Even if air flow is not perfect over the whole module, all the ICs still see a benefit.

Even in a case with very good air flow, my memory routinely reaches temps that can burn skin (at DDR-1200, 2.3-2.35v), unless I have a fan sitting directly on them (then they only get luke warm).

I'm a habitual stress tester. If I've had parts for a week, they have probably been running at max load for at least 100 hours, and probably a lot more.