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Cooling Dual G5 Ram
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Mac Enthusiast
Join Date: Dec 2003
Location: Ann Arbor, Michigan
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I'm unsure if this should be here, or under Mac Modification, Mods feel free to move this there!
I am moving into a cramped dorm soon, full of electronics and other things, and my G5 will undoubtedly have to endure a lot more heat. I alread purchased the NV Silencer for my 6800 GT card, but I am wondering if a few, small, inexpensive changes could help out the G5 with dealing with heat, etc.
I recently came across clip-on ram heatsinks, some made of copper, some made of aluminum. All varieties seem to use the same 3M heat-conducting adhesive / tape.
The question is, at only $0.99 a piece, can they really hurt to stock on my ram? Could this potentially do ANYTHING? I don't imagine this will fix a really hot computer, but I am curious if they could effectively help cool the case / ram area a good 5-10 degrees, or if the results would be so minimal that it isn't worth it.
I am also afraid the added thickness of the ram, will negate the ability of the heatsinks to cool the ram. If without the heatsinks, the g5's intake fans can make a little more air go over them, then would added the heatsinks do harm?
I'm open to any experience at all with these!
Some ram heatsinks are lots of little heatsinks, that rise up, for each memory chip, others are thinner plates, but they cover the whole stick.
Some links for those uncertain / curious...
http://www.newegg.com/Product/Produc...82E16835119015
http://www.thermaltake.com/coolers/memory/ramsink.htm
http://cgi.ebay.com/New-3M-DDR-RAM-H...QQcmdZViewItem
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yep.
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Dedicated MacNNer
Join Date: Nov 2004
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Well, I can't say for the G5, but in the PC world, RAMsinks really don't do much of anything. I've seen a couple reviews it seems like they may actually make the RAM a little bit warmer. If you've got a fan directly over top of them, they may help pull some of the heat from the chips. But if you don't and you use those thick thermal pads that tend to come with RAMsinks, then you will probably just be holding heat in there.
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Moderator  Join Date: May 2001
Location: Hilbert space
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The RAM is cooled by the two cpu fans, so you won't need any heat spreaders on the RAM. Also, if these are not properly installed or cheap, they might actually increase temperatures.
The thing is that if there is a tiny gap of air in between the chip and the heat spreader, you'll basically `insulate' the surface of the RAM chip. That's the sole purpose of heat-conducting paste you use.
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I don't suffer from insanity, I enjoy every minute of it.
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Forum Regular
Join Date: Jun 2006
Location: Sydney, Australia
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The thermal aspects of the G5 are pretty well designed. Don't mess with it, unless you are really sure what you are doing.
Just try to keep the ambient temp as low as possible.
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Power Mac G4 Digital Audio 533MHz 1.5GiB RAM, 2x 80Gb ATA HDDs, 320Gb SATA HDD, Radeon 9650 256MiB, Airport Extreme compatible PCI card, Zip 250, Pioneer 110, Firewire DVD burner, 21" CRT, Harmon Kardon Apple Pro Speakers, OS X 10.4.6
Powerbook Pismo G3 400MHz, 768MiB RAM, 80Gb HDD, AirPort Extreme PC Card, Bluetooth 1.1, DVD-ROM, OS X 10.4.6, Ubuntu 5.10, MacOS 9.2.2
To buy: RAM for Pismo, CPU upgrades
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