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Quiet water pumps...?

post #1 of 16
Thread Starter 
I built my first water loop 3 months back (am already sick of it, selling it to build a new one), anyway, I bought a DCP 4.0 12v pump but it was waaay to loud for my liking so instead I went with the XSPC Dual 5.25" bay res/pmp combo which I can only hear if I have my ear a couple cm away from it. The problem is, I can't get the res/pmp combo in my next build because there won't be anywhere to house it since I'm removing the bay drives in a Lian Li PC-A04 to be able to fit 2 240mm radiators in it (or i'm thinking I could simply house it on the bottom of the case???) But I would much rather go with a stand alone pump for room, heat (current pump warms water up a fair bit) and for easier bleeding (since I would put a t-line in the loop).
So,
1) Would I be able to house the XSPC pump/res combo on the bottom of the case? I think I read somewhere that the res should be at a high point in the case? If I can, I would have to use some 90 degree fittings for the hose, how bad would that affect flow?
2) Are there any pumps that are quiet, yet powerful enough to pump thru 2 240 rads, cpu block, gpu block (possibly adding another in near future) and 2 mb blocks?
3) Would the XSPC res/pump combo pump be powerful enough for all those components? (doubt it)
4) ... well what would you suggest??? To be honest I really wanted to cool the cpu, gpu with 2 240 rads for now and then add the motherboard and 4 RAM sticks to the loop in about a years time (I know, totally stupid cooling the RAM, and probs even mb but I have an obssesion with water cooling + I was going to do this as my research project for school so I might as well go all the way biggrin.gif
    
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post #2 of 16
1)Don't know if you could house it in the bottom of your case since I never owned one but one 90 degree fitting wouldn't affect flow that much.

2) Laing D5 pumps are pretty quiet and if you still don't like how loud it is you can turn the speed down. the mcp35x has variable speeds through pwm but loud at full blast.

3)Is the xspc pump combo one of those H20 series? if so I doubt it'll be powerful enough to pump through a cpu block, gpu block. 2mb block and possibly more later.

4)If you want a quiet pump I'd get a D5 at the minimum, maybe even 2 d5 variables (redundancy & you could turn the speeds of both of them down) for all those blocks but since you said you're not going to add the mb & ram block till a year later you can cut by with the xspc res/pump combo and get a D5 when you actually get those blocks that is if you can mount the bay res somewhere.
post #3 of 16
Quote:
Originally Posted by Aleckazee View Post

I bought a DCP 4.0 12v pump but it was waaay to loud for my liking

Really? The DCP pumps (Jingway 1200 rebrands) are supposed to be pretty quiet, my 2.0 was inaudible outside the case when I mounted it on some PT Gel Suff. How was yours mounted? Is it noisy when suspended? Maybe you got a bad (imbalanced) pump.

Quote:
Originally Posted by Aleckazee View Post

1) Would I be able to house the XSPC pump/res combo on the bottom of the case? I think I read somewhere that the res should be at a high point in the case? If I can, I would have to use some 90 degree fittings for the hose, how bad would that affect flow?

Yes, not necessary, not significantly (in that order). A lot of people don't have their res at the top, anyone with a bay res and top mounted rad for a start, and there are no problems. So long as your res inlet and outlet are submerged then you are good to go.
Quote:
Originally Posted by Aleckazee View Post

2) Are there any pumps that are quiet, yet powerful enough to pump thru 2 240 rads, cpu block, gpu block (possibly adding another in near future) and 2 mb blocks?

D5 (MCP655 / PMP-450) are supposed to be very quiet but might struggle a bit with the loop.
Quote:
Originally Posted by Aleckazee View Post

3) Would the XSPC res/pump combo pump be powerful enough for all those components? (doubt it)

I doubt it too. The MB blocks are the killers here, they are usually quite restrictive.
Quote:
Originally Posted by Aleckazee View Post

4) ... well what would you suggest???

First off try getting some PT Gel Suff (also available elsewhere) and see what your DCP 4.0 is like mounted on that. If there is an improvement then you are sorted, if not then you can always use it for the D5 if you get one.
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post #4 of 16
Also interested about this. Thought the Jingways were quiet...
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post #5 of 16
Quote:
Originally Posted by TwentyCent View Post

Also interested about this. Thought the Jingways were quiet...

Two smaller pumps are pretty quiet, largest one is way too loud .
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post #6 of 16
I'd agree about the bigger Jingway pumps (Phobya 400, EK DCP 4.0) being noisy. I think it's the casing that causes the buzz as even decoupled/suspended I found mine loud at full speed. However the two I have will start at 5v even though they're supposed to require 8v. At 5V they're extremely quiet although they'd only be adequate for a simple loop.
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post #7 of 16
Thread Starter 
Quote:
Originally Posted by GingerJohn View Post

Really? The DCP pumps (Jingway 1200 rebrands) are supposed to be pretty quiet, my 2.0 was inaudible outside the case when I mounted it on some PT Gel Suff. How was yours mounted? Is it noisy when suspended? Maybe you got a bad (imbalanced) pump.

I had it sitting on a bit of foam that came with the pump
Quote:
Originally Posted by GingerJohn View Post

Yes, not necessary, not significantly (in that order). A lot of people don't have their res at the top, anyone with a bay res and top mounted rad for a start, and there are no problems. So long as your res inlet and outlet are submerged then you are good to go.

Ok, good to know but I doubt I'll do that anyway because the pump won't be powerful enough.
Quote:
Originally Posted by GingerJohn View Post

D5 (MCP655 / PMP-450) are supposed to be very quiet but might struggle a bit with the loop.

Do you mean it will struggle at full speed? Because from what I can tell those are quite loud at full speed.
Quote:
Originally Posted by GingerJohn View Post

First off try getting some PT Gel Suff (also available elsewhere) and see what your DCP 4.0 is like mounted on that. If there is an improvement then you are sorted, if not then you can always use it for the D5 if you get one.

Anyone know if they ship to australia? That stuff looks better than the foam that I got with the pump.

These are the only pumps I could find: Is one better than the other? Also, in the first link, does that one have variable speed?
http://greenboxit.com.au/product_info.php?products_id=1531
http://www.pccasegear.com/index.php?main_page=product_info&cPath=207_160_296&products_id=17897

Thanks a heap to everyone on their info, I was really stuck on this. I'm going to buy that gel stuff, try out my dcp 4.0 again but I'll probably end up going with the pmp-450 with variable speed, hopefully it won't be too noisy.

EDIT: +rep to you kind sir, GingerJohn, great info
    
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post #8 of 16
"XSPC Dual 5.25" bay res/pmp combo " xspc bay products are very noisy, I used to have a mcp655xspc bay combo setup. I couldn't bare the noise any longer!

Solution; Get typical cylinder reservoir, relocated the pump inside the case somewhere(with foam cushions) as far away from your ears. enjoy the silence! biggrin.gif
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post #9 of 16
Quote:
Originally Posted by Aleckazee View Post

Do you mean it will struggle at full speed? Because from what I can tell those are quite loud at full speed.

Possibly, the D5 doesn't have that much static pressure so it is not great at overcoming high restriction loops. It does a lot better in low restriction loops though as it has a high max flow rate. Try putting your loop, with suitable substitutions, into Martin's pump and rad spreadsheet ad see what you get. You are aiming for at least 0.75GPM, preferably more towards 1GPM.

Quote:
Originally Posted by Aleckazee View Post

Anyone know if they ship to australia? That stuff looks better than the foam that I got with the pump.

No idea about shipping, but yes, it is a lot better. Having said that it will only really help if your pump is quiet when suspended. Basically it absorbs a bunch of the vibrations which would otherwise be transmitted to the case. If the pump case itself is vibrating and creating the noise it won't help much, but it will do a bit. As I said you can always use it to mount the D5 or other things; I actually use some under one of my HDDs...
Quote:
Originally Posted by Aleckazee View Post

These are the only pumps I could find: Is one better than the other? Also, in the first link, does that one have variable speed?

They are both made by Laing, so supposedly both the same quality. I can't tell if the GreenBoxIt one is variable, but the other one is.
Quote:
Originally Posted by Aleckazee View Post

Thanks a heap to everyone on their info, I was really stuck on this. I'm going to buy that gel stuff, try out my dcp 4.0 again but I'll probably end up going with the pmp-450 with variable speed, hopefully it won't be too noisy.

If it is you can always resell it, although I don't know what to suggest after that. Maybe a bunch of DCP 2.0s in series tongue.gif
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post #10 of 16
Thread Starter 
Quote:
Originally Posted by GingerJohn View Post

Possibly, the D5 doesn't have that much static pressure so it is not great at overcoming high restriction loops. It does a lot better in low restriction loops though as it has a high max flow rate. Try putting your loop, with suitable substitutions, into Martin's pump and rad spreadsheet ad see what you get. You are aiming for at least 0.75GPM, preferably more towards 1GPM.
No idea about shipping, but yes, it is a lot better. Having said that it will only really help if your pump is quiet when suspended. Basically it absorbs a bunch of the vibrations which would otherwise be transmitted to the case. If the pump case itself is vibrating and creating the noise it won't help much, but it will do a bit. As I said you can always use it to mount the D5 or other things; I actually use some under one of my HDDs...
They are both made by Laing, so supposedly both the same quality. I can't tell if the GreenBoxIt one is variable, but the other one is.
If it is you can always resell it, although I don't know what to suggest after that. Maybe a bunch of DCP 2.0s in series tongue.gif

Ok so I'll buy the gel, try it out on the EK 4.0, oh about that, would that pump be powerful enough? The official max number of blocks will be cpu, gpu (no sli in foreseeable future, will be upgrading to a single better one instead), 2 mb blocks and 4 ram blocks plus of course the 2 rads.
If the pump is still too noisy or not powerful enough I'll buy the pmp-450, mount it on maybe a few layers of gel and I might try to sort of 'enclose' the pump in the gel to eliminate general pump noise not just vibrations. Its not going to be visible anyway so I don't really care how it looks.
I can't seem to change any of the options on the spreadsheet for some reason, I must be doing something wrong doh.gif

Yeh I was also thinking of putting a couple smaller/quieter pumps in a series but I'd still rather have just the 1 of course.
    
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