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[Official] Antec Kühler H2O 620 & 920 Owners Club - Page 253

Poll Results: Which Antec cooler do you own?

 
  • 53% (152)
    Antec Kühler H2O 620
  • 46% (130)
    Antec Kühler H2O 920
282 Total Votes  
post #2521 of 6068
I think someone else replied a few days ago about the light staying on, which is why I didn't say anything last time I commented. Yeah like bmgjet said it's perfectly normal if you have USB ports that stay powered even though the system is shut down. Turning off the power supply (and unplugging it for good measure) will cut power to everything completely should you need to handle anything inside your PC.

No leaks after lapping thankfully. There is a strange 10C difference between the cores while under load now though. Cores 1 and 4 are running much cooler than cores 2 and 3 according to HWinfo64 while using Prime 95 in maximum heat generating mode. Ambient air temp is still 17C and cores 2 and 3 still hover near the 71C mark, while cores 1 and 4 seem to stay at or below 60C for the most part. The ramp in the Antec software is set to 20C / 35C respectively, so my 920 is cooling as well as it possibly can without getting too noisy (running between 1450 and 1800 RPM's which I find to be borderline for noise).

So either my lapping did manage to change something, or more likely the block is just seated slightly better than before. I didn't do as good of a job with the IC24 as I would have liked unfortunately. It was just so much harder to work with than Arctic Silver. My guess is that my nearly pea sized blob in the center of the heat spreader didn't spread out at all like one would expect, and is responsible for the radical temperature difference between my cores. I'll have to find a photo of the 3770K's die to be certain. Other theories are more than welcome at this point lol. I know some variation between cores is normal, but my difference seems fairly significant.

Great point about adding spacers to the plastic back plate. I may indeed have to do that based on the results I'm now seeing. I suppose it could also be that Intel's choice in using thermal grease inside the 3770K is the biggest limiting factor and nothing I do short of delidding the thing will help. Not sure I'm confident enough to do that though. The comment about sanding the plastic bracket confuses me unfortunately. Wouldn't that make it harder to get good contact between the copper plate and heat spreader?
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post #2522 of 6068
Quote:
Originally Posted by M3TAl View Post

They must have changed the screws and brackets. Mine are green, blue, etc... color coded for amd/intel. And the screws for the mounting bracket feel really cheap. Not sure they're actually even metal laugher.gif .


My 620 ones are plastic, 920 ones are metal.


The plastic bits im talking about are the ones that go into the bracket.
Sanding them down allows the bracket to put more pressure before they touch the mobo and dont allow any more screwing with out stripping the screws.
post #2523 of 6068
Quote:
Originally Posted by bmgjet View Post

The plastic bits im talking about are the ones that go into the bracket.
Sanding them down allows the bracket to put more pressure before they touch the mobo and dont allow any more screwing with out stripping the screws.
Ok I see it now, thanks. I wonder which option is better; grinding down those plastic pegs or adding four nylon washers to the backplate. Both perhaps? I definitely did get the feeling both times I attached the block that the resistance, upon tightening the screws, was coming from somewhere other than the copper plate against the heat spreader. I remember being disappointed at Antec's plastic bracket when I first opened the packaging for the 920. and especially when I put the included bits together. It definitely could have been designed better. The fact that it has to warp a bit in order to fit into the four holes in the motherboard certainly says something as well. I'm starting to wonder if I wouldn't have been better off sticking to air cooling lol. wink.gif
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post #2524 of 6068
Thread Starter 
Quote:
Originally Posted by M3TAl View Post

They must have changed the screws and brackets. Mine are green, blue, etc... color coded for amd/intel. And the screws for the mounting bracket feel really cheap. Not sure they're actually even metal laugher.gif .

yup, in EVERY GUIDE and review, they are green and blue - I suppose that's the old system, as someone on youtube, like me was wondering why his was different.
I reasurred him that I got the same thing - they must have updated it....shame they haven't updated their darn guide - took me over 1hr to figure it out.
post #2525 of 6068
Quote:
Originally Posted by adi518 View Post

Damn. I have no clue where these short screw pieces came from. :\

The short screws and washers are for mounting the radiator directly to the case with no fan in between. This is if you wanted to run push only.

Quote:
Originally Posted by Totally Dubbed View Post

yup, in EVERY GUIDE and review, they are green and blue - I suppose that's the old system, as someone on youtube, like me was wondering why his was different.
I reasurred him that I got the same thing - they must have updated it....shame they haven't updated their darn guide - took me over 1hr to figure it out.

I remember the first one I installed on a socket 1155 was tough to figure out. Especially because I had to put the backplate on out of square...

2012-06-04_19-10-51_474.jpg

The instructions are really vague.

When I put my most recent one on a AM3+ chip it was simple because there's only one hole and only one way it can fit.
post #2526 of 6068
Thread Starter 
Quote:
Originally Posted by stickg1 View Post

The short screws and washers are for mounting the radiator directly to the case with no fan in between. This is if you wanted to run push
The instructions are really vague.
When I put my most recent one on a AM3+ chip it was simple because there's only one hole and only one way it can fit.

Actually I got a question, regarding that backplate.
Those metal-esk screws that go into that backplate, they don't stay securely in do they?
As mine go in fine, and bite to the screws, but when I tighten the screws even more, the metal bit starts to turn within the plastic backplate.
Almost like it was never supposed to be tightened and put on there.
My 920 is rock hard on my CPU, but just thought to mention it.
post #2527 of 6068
Quote:
Originally Posted by Totally Dubbed View Post

Actually I got a question, regarding that backplate.
Those metal-esk screws that go into that backplate, they don't stay securely in do they?
As mine go in fine, and bite to the screws, but when I tighten the screws even more, the metal bit starts to turn within the plastic backplate.
Almost like it was never supposed to be tightened and put on there.
My 920 is rock hard on my CPU, but just thought to mention it.

What I found is the best way to tighten is just use your hands and when it catches hard that first time, that's as tight as you need to go. Otherwise you will just strip the plastic like you mentioned. Then when you want to remove the pump you will have to unscrew while you get a pair of pliers and hold the metal peg so it does not spin on you.
post #2528 of 6068
Thread Starter 
Quote:
Originally Posted by stickg1 View Post

What I found is the best way to tighten is just use your hands and when it catches hard that first time, that's as tight as you need to go. Otherwise you will just strip the plastic like you mentioned. Then when you want to remove the pump you will have to unscrew while you get a pair of pliers and hold the metal peg so it does not spin on you.
Ah ok - at least I know that I'm not the only one to have had a little worry about that backplate plastic. I'll create a guide for the Antec920 within a few days on my website and will post it here for you guys too - pics included smile.gif
I made sure I took pictures when i was applying the 920, as I knew it would come in useful for others later on biggrin.gif!
post #2529 of 6068
just thought id let you guys know that there were some retention kits for sale for 10.00 on the asetek ebay website last time i looked. im not sure if they will replace them for you but its nice to know there is a source for any lost or broken parts for future setup changes.
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blu-ray burner Thermaltake water 2.0 Extreme (cpu) Thermaltake water 2.0 pro 2gpu 1clc with corsai... windows7 home pro 
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samsung T260 25" ms gamer  Seasonic 750x gold Coolermaster Haf 22 Modified 
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post #2530 of 6068
You could super glue the peg into the backplate. I think someone did something like this around 50 pages back or so.
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