HR-03 on my 8800 ultra :-(

They make noise, too.

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falcon26
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HR-03 on my 8800 ultra :-(

Post by falcon26 » Tue Jun 12, 2007 7:51 pm

Well I got the heatsink on no problem, but those dam &^(*^(*&^ memory heatsinks will not stay on!!! They keep falling off. I ran the computer for an hour to burn them in, turn the computer upright and they fall right off. I need to goto the store tommorrow and get some srtic thermal adhesive from frys :-( I should have listen to the reviews for this heatsink, that you need to buy thermal adhesive for the memory, I figured naw that can't be true.....right it couldn't be more true
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YugenM
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Post by YugenM » Tue Jun 12, 2007 9:28 pm

Apply pressure to them for a minute.

Worked fine for me when I used an HR-03 on my 7800GT

derekchinese
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Post by derekchinese » Tue Jun 12, 2007 11:05 pm

does ddr3 get hot though?

r temps better now with hr03?

mentawl
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Post by mentawl » Tue Jun 12, 2007 11:30 pm

As long as you clean the memory properly, removing all the old compound and any residue from the cleaning, the memory sinks should stay attached no problem - I've put HR-03/03+'s in 4 PCs now and have yet to see a memory/power circuitry sink fall off. Like YugenM said, a bit of pressure is the most you need to do.

falcon26
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Post by falcon26 » Thu Jun 14, 2007 5:03 am

Ok after getting the ram sinks to finally stay on everything was up and running last night.

Stock Fan: Idle 70C Load 86C

HR-03 92mm Nexus: Idle 54C Load 72C


Its dead silent and no more fan spinning up on load :-)
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samuelmorris
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Post by samuelmorris » Fri Jun 15, 2007 7:55 am

Ace temps for such a high power GPU. The Nexus fan always concerned me, what with it being a sleeve bearing fan, vertically mounted onto a heat source, seemed like a double suicide. What sort of case ventilation do you have? I would like an 8800GTX/Ultra, but only if I can HR-03 Plus it using quiet case fans (120mm units, ideally no more than 1100rpm)

falcon26
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Post by falcon26 » Sat Jun 16, 2007 2:02 pm

Everyone keeps telling me that about the nexus style fans. What exactly is the problem with mounting a nexus on the HR-03? I mean I'm getting great temps idle and load and its dead quiet...
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ACook
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Post by ACook » Sat Jun 16, 2007 5:16 pm

something about sleeve fans being less reliable than bearing ones, and the orientation also playing a factor.
Plus when bearing fans die they make noise, while sleeve ones just stop working, making them dangerous on hot stuff.
But the question usually is how long will they be fine, and when that is a few years, you'll have a new system anyway, or if you don't just replace the fan every year if you're really paranoid.

cmthomson
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Post by cmthomson » Tue Jun 19, 2007 5:50 pm

There is no practical problem mounting Nexus or any other sleeve bearing fan on an HR-03. There is a theoretical reduction in the lifetime of the fan if it is blowing up or down because the lubrication is compromised in this position, but practically this is a non-issue since you'll want to replace the card long before the fan is likely to fail.

Personally I've never seen a sleeve bearing fan fail, although of course I know it is more likely than with other types of bearings.

If you have a reasonably new motherboard, you can use one of the three-pin fan headers on the board to control the fan, and use SpeedFan to control and monitor its speed.

Even if the fan fails, the GPU will just shut down. All modern graphics cards have overtemperature safeguards.

And as for the memory, GDDR3 does not get hot, and does not need heat sinks.
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falcon26
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Post by falcon26 » Wed Jul 04, 2007 7:02 pm

Can you mount a 120mm fan on the HR-03? Anyone done this and if so how :-)
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WR304
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Post by WR304 » Thu Jul 05, 2007 2:03 pm

You just use zip ties to fasten a larger 120mm fan to the HR-03 Plus. :)

Alternatively, you'd hang the fan beneath the cooler using elastic or string.

http://www.xtremesystems.org/forums/sho ... 503&page=3

Image

falcon26
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Post by falcon26 » Thu Jul 05, 2007 5:32 pm

Cool thanks for that picture :-) I just mounted a 120mm scythe 800 rpm fan to it :-) with zip ties. Idle its about 54 load about 68 not bad, and its dead silent....
Intel I7 4790, 16GB Corsair Vengence, Samsung 850 Pro, Msi Z97, Msi Gaming Gtx 980, Corsair AX760, Antec P380, Dell U2715H

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