1U Opteron 250 is ridiculously hot 60C??!

I have a 1U opteron 250 server running with a thermaltake heatsink that says it's rated for the Opterons...  my CPU temps are 60C+ and during an INSTALL of exchange it overheated and crashed...  i've tried reapplying the heatsink and compound several times, tried different compound and it still is ridiculous.  however, if i throw the normal heatsink on there (the large heatsink that came w/ the opteron), it's 45C... now logic says the 1U that thermaltake sold me doesn't meet requirements, but my quetsion is, what heatsinks out there do??  i dont' care if it's a 100$ heatsink, i want my systems cool.

Thanks,
Nick
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NickUAAsked:
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moduloConnect With a Mentor Commented:
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Dynamic1Commented:
In a 1U chassis thats going to be tough. They make some heatpipe soultions for 1U I dont know where to look though. Also Artic Silver 5 Will lower your temps about 5C over what comes with heatsink. http://www.arcticsilver.com/arctic_silver_instructions.htm http://www.arcticsilver.com/ I posted links for instructions and the product. Other than that you could lap the sink http://www.xpnt.com/page9.html a little article i put together on lapping. Under a load 40C would not be that bad very hard cooling a 1U chassis.
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Dynamic1Commented:
Also give me your dimensions I can find you a heatsink that will fit.
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NickUAAuthor Commented:
dynamic - don't really know the dimensions - it's just a standard 1U case ...  Opteron 250 ... has all kinds of mini pissed off fans in it, but still hot.

Thanks,
Nick
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Dynamic1Commented:
http://www.thermaltake.com/purepower/W001920.htm on this page see the mini blower thermaltake makes. I dont know if it will fit might but I have 2 that came with power supplies. Very Quiet for what it is and pushes major air. Mabye you can call them to see if you can buy them seperately. I am using them in I know its alot bigger than yours but a 4U server with overclocked Athlons. They push enough air that my CPUs stay cool without fans on my CPUs just heatsinks. I dont know how space limited your rack is but mabye you could top mount it blowing on CPU. Anyway just an idea those opterons run very hot.
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Dynamic1Commented:
 
80x80x70mm Blower case fan:
 
This one on that page.
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Dynamic1Commented:
Btw that Dow Corning Thermal paste that comes with thermaltake HSFs runs about 5C hotter than Artic Silver 5. I have tried both in you situation i guess every little bit is going to help.
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NickUAAuthor Commented:
those are too big for a 1U rack which i believe is 1.5" tall?

anyone else have any suggestions for cooling? i see 1U Dual Opteron 250s sold all the time online - but i can't get any of the resellers (even if they are mom and pop shops) to help a guy out and just tell him what cooling solution they use, hell i'd even buy it from them, at this point i don't care.

Thanks dynamic, anymore solutions?

Nick
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Dynamic1Commented:
http://www.rackmountpro.com/productpage.cfm?prodid=1637 this looks good. Also dont know about your 1U chassis but they have up to 12,000 RPM fans for it. Check out this with air duct hopefully better than thermaltake. Some people think its ok to run it at 60-70C bescuse it is rated for that but it is also too hot for me.
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LimeSMJCommented:
http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/25325.pdf

AMD seems to prefer a ducted CPU cooler plus they specify that the ideal ambient room temp be 35C.  The link also provides example heat sinks that you can use.
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LimeSMJCommented:
Edit... I meant to say maximum room temp NOT ideal.
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Dynamic1Commented:
Nick how did you make out?
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NickUAAuthor Commented:
trying a couple solutions you guys suggested - will let you know asap.
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NickUAAuthor Commented:
well - this is really weird - for some reason our server quit posting (i thought CPU fried) but it ended up being the motherboard... so we got in a new motherboard - and now our temps are at like 42C w/ same heatsink and compound ...  maybe the mobo was screwed and throwing more voltage at the CPU or something?

nick
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