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Thermal tape on gpu ram heatsinks

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17 Jul 2008
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751
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Southampton
Hi,

I started fitting a aftermarket 4870 cooler however the thermal tape on the ram coolers is terrible and they keep dropping off before I've put the card back in the pc

so I guess the question is do I have to use thermal tape or could I attach the ram coolers with thermal paste or do you think it's best to use tape but get some new stuff ?
 
i've just stuck my 4870's back under water today, and had exactly the same problem.

i just used some crappy glue. it won't fully stick to the chips, but it's a helluva lot better than the thermal pads on the ramsinks!
 
i've just stuck my 4870's back under water today, and had exactly the same problem.

i just used some crappy glue. it won't fully stick to the chips, but it's a helluva lot better than the thermal pads on the ramsinks!

did you put the heatsinks just on the 8/9 ram chips or on all of the other chips which are on the card too?

so what i mean is the stock cooler which I removed also cooler chips further back on the card umm vram? so should i stick the heatsinks which came with the gpu cooler to these also?
 
all i've got for my 4870's is gpu waterblock, ramsinks (8 ram chips covered) and a vrm heatsink, which is a strip with fins and attaches via sprung push pins. i put a bit of AS5 on that as the vrms get damn hot (they sit around 60oC most of the time :eek: )
 
when you say vram are you meaning VRM? if you are, no, you need something that will definitely not fall off. even with a bit of glue those might come away, so my advice is get a dedicated VRM cooler :)
 
When you are redoing them, make sure to clean the memory chips with something like isopropyl or lighter fluid before attaching the heatsinks.

I find it makes a massive difference to the adhesion capabilities when the chips are cleaned (with fluid that leaves no residue) just before fitting the heatsinks.
 
I used some Akasa thermal paste remover that smells like oranges :)

funnily enough the cooler i bought was an akasa one also, the origiional tape was cr*p the thermal tape i bought at a shop was akasa and worked fine,
 
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