vdw Posted January 10, 2012 Share Posted January 10, 2012 I've just gotten a pair of CMZ32GX3M4X1600C10 32gb quad kits for 2 new computer builds in the mail from amazon, and in both kits about a quarter of the memory chips have no contact whatsoever to the heat spreader, when held up to the window there are gaps clearly visible. Haven't been able to test the modules yet since the mainboards have yet to arrive, but isn't there supposed to be some kind of contact paste, glue or whatever? I'm somewhat leery of sending them back to amazon since I'll probably get back kits from the same production run. RMA them? or do they run _that_ cool that they'll work anyway? Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted January 10, 2012 Corsair Employee Share Posted January 10, 2012 They use Thermal tape to attach the H/S so while it may look like there is a gap I am sure they are making contact deeper inside the H/S. Can you take a Picture and post it here. Link to comment Share on other sites More sharing options...
vdw Posted January 11, 2012 Author Share Posted January 11, 2012 Not trivial to photograph the airgap ... Link to comment Share on other sites More sharing options...
vdw Posted January 11, 2012 Author Share Posted January 11, 2012 The 2 shadows are the heatspreaders fins, the chip doesn't have any contact with it, and of the two quad kits about half the sticks have several. I think I see the adhesive tape, and when I press the heatspreader down it does stick for a bit but springs up again after a few seconds. Link to comment Share on other sites More sharing options...
vdw Posted January 11, 2012 Author Share Posted January 11, 2012 Serial of the stick in question in case you need it. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted January 11, 2012 Corsair Employee Share Posted January 11, 2012 It is hard to see in the picture but they look fine to me. The thermal tape is white in color so it will show like its letting light through. Link to comment Share on other sites More sharing options...
vdw Posted January 11, 2012 Author Share Posted January 11, 2012 The picture is that dark because I'm photographing directly into the lamp you see fuzzily in the background. It IS a gap. It is a very much obvious gap. No, I'm not mistaking that white thingie for light shining through. I'll try to take a better picture ... Link to comment Share on other sites More sharing options...
vdw Posted January 11, 2012 Author Share Posted January 11, 2012 There, front and backlit. You can see the light glaring through between the chip and the heatspreader, the two darker patches between them are fins. I can try to take a video tomorrow at the office if that's what it takes? Link to comment Share on other sites More sharing options...
vdw Posted January 11, 2012 Author Share Posted January 11, 2012 And sorry for the tone ... bad day all around over here. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted January 11, 2012 Corsair Employee Share Posted January 11, 2012 Yes I see a small gap but it is not anything I would worry about you can put pressure on the out side of the H/S and it will likely solve that. But if not it will be fine Link to comment Share on other sites More sharing options...
vdw Posted January 12, 2012 Author Share Posted January 12, 2012 As I said a few posts ago, if I press it down it sticks for a couple of seconds and then springs up again. It's also not just one chip, only one stick of 8 doesn't have a couple. And you do know that a thin airspace is one of the very best thermal isolators there is short of high-tech materials? It would be far better to just remove the heat spreaders entirely. Since that voids the warranty ... How much power do these sticks draw at stock voltage and clock? Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted January 12, 2012 Corsair Employee Share Posted January 12, 2012 The most they can draw is about 6-7 watts per module. But you would have to hold the modules for several min or use a clamp to hold them over night. But as I as I said it would likely not make any difference these do not run that Hot. Link to comment Share on other sites More sharing options...
vdw Posted January 12, 2012 Author Share Posted January 12, 2012 Well, I'll always be able to RMA them if it doesn't work out when I get the mainboards. Out of curiosity, I noticed the usage scratches on the gold contacts in the picture that become visible when using the flash. Are they from factory testing? I know I haven't made them. Link to comment Share on other sites More sharing options...
peanutz94 Posted January 12, 2012 Share Posted January 12, 2012 Are they from factory testing? I know I haven't made them. Yuppers! Every kit is tested in a motherboard before they leave the factory! :) Link to comment Share on other sites More sharing options...
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