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Seeking pump selection advice

post #1 of 10
Thread Starter 
Not long ago I decided to try to jump into water cooling (everybody needs a hobby right?) Anyhow, the pump is the one piece I need yet. I figure the loop will be in the vicinity of 6' long, and will travel through a gpu block (covering a GTX 660TI), cpu block (covering an i7-970), 120mm radiator, and 2x120mm radiator. I've got everything I need set up except for the pump. I'm not normally one to ask for advice but I fear things could get even more time consuming and expensive with this, and I would prefer to minimize how long my desktop remains out of commission...

I think a 5.25" bay res/pump would probably be most convenient/compact, yes? Naturally, I need a pump that is capable of doing the aforementioned. But I would prefer it to be as quiet as possible while still getting the job done well. I don't have any plans to expand the loop later, so maybe that will help simplify things a little bit. This said, what are my best pump options?
post #2 of 10
It's pretty much a two party system when it comes to pumps. You have d5 and ddc type pumps. Either one will do the job for your loop. It's a matter or price, features, desired customization, etc. I believe generally people say ddc pumps can run louder/warmer than d5 but will also give you slightly better performance in high restriction loops. It's really personal preference.

You can buy a pwm version of either pump. You can find an integrated reservoir solution for either as well. You'll find plenty of 3rd party tops. I'd say just spend some time browsing your favorite watercooling shop's inventory to find what lines up with your design/price preferences. Virtually endless combinations there.

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post #3 of 10
Thread Starter 
A bit of poking around has given me some more answers ... and some more questions (naturally). First, if money isn't a major factor (I'm presently considering time to be more important than money), would I be better off running 2 pumps at lower speed? Is there any good place to find info on relative noise levels of pumps? (I trust another person saying something is "silent" (nothing short of a completely passive setup can ever be silent) about as much as I would trust a jet-engine manufacturer making the same claim. Objective tests performed by a neutral party are always preferable.) I'm hoping the pump won't be significantly louder than my other components, which should top out around 20dBA or so ... I've also read that Eheims are quiet, of course, they're also bulky and lacking in pressure. If I follow along with this I get an estimated pressure drop of about 3.7psi for my loop suggesting that a single eheim 1250 isn't up to the task ... but if I connected two in series? Just playing with ideas here ... I still don't think I know enough to make an educated decision here.
post #4 of 10
mcp355 are quite, small, and powerfull.
    
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post #5 of 10
One pump is more than enough for that loop. You'll be fine running it at 50% under load. No need for 2.
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post #6 of 10
Quote:
Originally Posted by ltulod View Post

mcp355 are quite, small, and powerfull.
And the mcp35x is on top that PWM controlled. Mine is decoupled with a Shoggy sandwich and I can't hear through the vague noise of my Noctua NF-F12 fans.
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post #7 of 10
Honestly I would grab a D5 and it will be more then you need. Plus lots of different ways to use a D5 through tops and bay res' and tube res endless possibilities. I think the D5 has more opportunity for customization with different accessories.
post #8 of 10
Quote:
Originally Posted by dwidmann View Post

I think a 5.25" bay res/pump would probably be most convenient/compact, yes?
 

For the most part yes. Looks like people have already recommended the two major variants for pumps in the WC industry, the D5 and the 35X. If you're looking for a great pump/res combo, go for the XSPC dual bay reservior with an Alphacool D5 pump. It's relatively inexpensive, efficient and easy to fill. It's also dead silent.

post #9 of 10
Thread Starter 
Thanks everybody for the input. I think I'm going to give things a go with a d5. Now to wait for shipping, and hopefully I'll be able to squeeze in what more I need to do for the build before long, and hopefully it will go well. I'll drop back soon.
post #10 of 10
Thread Starter 
Long past due, but I've got things together at last! I've been impossibly busy or this would have been done long ago ...
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