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Thermalright HR-03 Plus

post #1 of 11
Thread Starter 
Hello,

I've been looking at reviews and such, and this heatsink plainly has my card's name written all over it. I've been refreshing my webstore's page because they're supposed to restock them today, so only a matter of time, I guess.

I have a question though.. The thermal tape on the memory heatsinks apparently was sub-par. (according to reviews) I'm wondering if it'd be best to take it off, clean up the sinks and reapply arctic silver thermal glue, or something similar?
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post #2 of 11
Ram cooling on VGA cards generally doesn't yield much more overclocking headroom than leaving them bare... the reason of course being that they are more prone to being held back by simple clock freq walls than heat... Look at me for example... the memory chips on both of my 8800GTs are bare but clock up to 2200 - about 200MHz more what most 8800GTs ram clock too, regardless of cooling. The reasoning is because Galaxy uses Samsung, which have higher OC headroom than Quimoda chips used in most 8800GTs... cooling has nothing to do with it


However, most people could care less about this and I guess to answer your question - thermal tapes almost never transfer heat as well as thermal compounds, so replacing the tape with almost any compound will always yield benefits.... Just make sure that the thermal paste you use is:

1) Non-conductive (memory chips are much closer to essential circuitry than GPU cores)
2) does not make the contact permanent upon drying (hurts resale and you don't want to kill the thing trying to remove the sinks)
3) actually holds the sinks in place

For a personal account, I found that the tx-1 formula that came with my tuniq fit all the above needs.... a reasonable dab on the center of the mem chip, add sink, press down and move around to spread tx-1, and then a nice hard press to secure it
post #3 of 11
Thread Starter 
Thank you! I ordered Arctic Silver thermal glue along with the thermal paste, but that would attach them permanently. Although, I can't say I've ever sold orphan computer parts - they either go in the 'spare bin' or a different setup when I buy new. I am afraid I'll mess up the 'one-chance' seating, though.
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post #4 of 11
Did you buy it already?
If not, check out the Arctic Cooling Accelero Xtreme 8800. That cooler had some very nice reviews, even beating the HR-03 in some tests while taking up less space and being cheaper.
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post #5 of 11
Thread Starter 
Quote:
Originally Posted by dr13zehn View Post
Did you buy it already?
If not, check out the Arctic Cooling Accelero Xtreme 8800. That cooler had some very nice reviews, even beating the HR-03 in some tests while taking up less space and being cheaper.
Ack, too late. It's already on the way.

It'll match my TRUE, though. Even though I don't have a window and will rarely look at it..
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post #6 of 11
I wouldn't worry about it. That HR-03 is one hell of a cooler. Especially with a nice fan attached to it.
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post #7 of 11
Thread Starter 
So I hear.

It hasn't arrived yet, but I got some paper for lapping purposes, and I'm wondering if I should give this one a treatment as well as the CPU/TRUE interface? Maybe a bit wasted since it's not possible to lap the GPU, but I don't know, isn't it an advantage to get rid of that nickel?
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post #8 of 11
i'm not sure that it would yield any tangible benefit by lapping. After I put the HR-03 on my GTX, temps dropped drastically. I used to idle around 58, I'm looking at 36 right now and never getting above 56. Video cards are designed to run hotter than CPUs, so just by adding the cooler you should be great.
post #9 of 11
Thread Starter 
Oh, that's great. It looks very uncomfortable to lap back and forth for hours on end, the heatsink that is..
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post #10 of 11
Thread Starter 
Update, no lap, AS5:

Pre-HR-03 (stock), idle

HR-03, idle

Ambient temperature around 25C. It should be said that I also switched cases along with the cooler, and this one has lots more airflow and space.
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