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[Official] Antec Kühler H2O 620 & 920 Owners Club - Page 135

Poll Results: Which Antec cooler do you own?

 
  • 54% (152)
    Antec Kühler H2O 620
  • 45% (129)
    Antec Kühler H2O 920
281 Total Votes  
post #1341 of 6063
Quote:
Originally Posted by bmgjet View Post

Exactly the same way I did the 620s.
wet 1000, 1200, 2000
soapy 2000,2200
I taped the radiator and cords on to my arm then did it on a mirror moving the block.
Left it fully assembled.
The 620's were a lot worse and they were concave.
The 920 wasnt so bad but it was still a bit convex just off the center of it. Only took about 100 passes each direction with the 1000 grit to get it sanding all of the block evenly.
Where the 620s took at least 500 passes. Then just did 50 passes each direction with the 1200 and 2000 wet.
25 passes with the 2000 soapy and 10 passes with the 2200 very soapy
Then to clean it up I just dunked the coper bit only into some water and air compressed it dry. Then finished up by cleaning with iso wipes to remove any traces or oil from the air compressor before reinstalling it.
I thought about pulling it apart but Antec said id lose my warranty then where with lapping it. It will be fine as long as its not a nasty excessive job and it didn't cause it to fail by stressing the pipes or attachments.
What kind of drop did just lapping the CPU do, I need to find another 4-5C less to be able to run 5ghz 24/7 and not worry about temps during hot days.

Great reply, thanks... I was wondering how I could do it without taking it apart and "taped the radiator and cord to my arm" nails it. I can use my old 620 to practise on if I need to.

Anyway, to answer your question re temp drop lapping cpu only - sadly I didn't keep logs of before/during/after while changing things.
I sort of went from unlapped cpu + 620 push/pull to unlapped cpu + 920 for a couple of hours, then said screw it and lapped the cpu right away. So it's hard to tell.
My impression is that when I configure 920 ChillControl so the fans run about the same as 620 did (with speedfan set at ~1600rpm), it idles maybe only 1 or 2C lower vs where the 620 used to be. But that could be because the 920 is convex and there likely still isn't great contact. If I set ChillControl to Silent it actually idles higher.
So I'm not experienced enough to say whether you'll get another 4-5C savings when the afterburners are on, but there are others out there who claim substantial reductions with lapped cpus and I'd guess having two flat surfaces is much better than one.
Anyways, this time around I will do some before+after tests and when I get there I'll let you know. Thanks again.
post #1342 of 6063
Are these compatible with the asus p5q motherboards? I've just tried the corsair h80 and it doesn't even touch the CPU. The pre-applied thermal paste doesn't even rub. Capacitors in the way.

I've seen people using the corsair h50 withe the p5q series. So do the 620/920 pumps fit?
post #1343 of 6063

Quote:

Originally Posted by RagingLoon View Post

Mine sounds like that sometimes too, but it seems to be fine. It comes and goes I know this because, at first I'd get my ear right up in there like a nosy neighbor. The way I see it, is if it goes just like a fan could my CPU will hit TjMAX and shut down and then I'll RMA it, but till then it's moot. Some exact same model HDD's make more noise than others. I would never inconvenience myself by RMA'ing a noisier HDD (of course there could always be an exception to the policy). I'm just saying.

TBH, the 2nd video dude posted is how my Western Digital Caviar Black 750GB WDC WD75 02AAEX-00Y9A0 Sounds any time it reads! I could see where the noise is annoying, cause it is very annoying to me, since I have nowhere to mount my optical Disk Drive in my system. I have a Molex cord extention and a IDE ribbon cable sitting next to my computer with the side panel off. Investing in a SATA drive when I get my College Grant money in, for sure!

    
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post #1344 of 6063
I love my 920 except for the rattling noise I occasionally here. It doesn't seem to effect temps so probably nothing to worry about. my pump speed averages 2890 rpm. I have it plugged straight into a molex.
post #1345 of 6063
Quote:
Originally Posted by EternalRest View Post

Which PWM fan would be better?
COUGAR CF-V12HP
Noctua NF-F12

Anyone?
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post #1346 of 6063
HI, I am a bit new to the Antec Kuhler scene. Working on my friends PC atm, can anyone tell me if its okay to mount the rad upside down? he is using the evga classified motherboard and the kuhler 920, it doesn't fit so I had to install the second fan outside of the case and turned the rad upside down (hoses facing up, at the psu fan). I can hear some air / pump noise or what sounds like water passing through. Is it safe upside down without effecting the temps?
post #1347 of 6063
You can mount it like that.
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post #1348 of 6063
I have just purchased the 920 to go with my new rig. I've also ordered a fan controller which can take 3 or 4 pin fans. I'm toying with the idea of setting the pump on max and then controlling the fans myself. I.e. keeping them very quiet for day to day use then knocking them up for gaming or having the option of setting them on max for benching or if I manage a 5ghz oc on my 2500k. Does that sound like a decent idea or should I plug it in properly and set a custom profile with the software? (Side note what are peoples temps at 5ghz with these as a rough guide).

I was thinking of replacing the stock fans with ether these:
http://www.overclockers.co.uk/showproduct.php?prodid=FG-030-SY

or these:

http://www.overclockers.co.uk/showproduct.php?prodid=FG-032-SY

Do you think they will give better performance than the stock fans and be able to run at a higher speed at a quieter noise level? I was going to purchase more fans for my case so the extra cost is offset since I can now use the Antec stock ones else where in the case also attached to my fan controller?
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x2 Sandisk x100 120GB in RAID 0 + 3tb WD Green Slim Slot Loading Bluray Corsair Hydro H55 + Geild Slimline 120mm Fan Windows Pro 8.1 
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post #1349 of 6063
Got my 620 a few days ago! biggrin.gif
338
338

Temperatures in Celsius!
Idle: 37 degrees
Load: 50 degrees
    
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post #1350 of 6063
got these in the mail yesterday smile.gif

Gelid Silent 12 pwm

435
Edited by adi518 - 1/25/12 at 10:12am
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