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i'm curious as to why this mcp655 is recommended - Page 5

post #41 of 59
If you like the pump yourself, who cares...

Hard to really get a sense of pumping performance through specs. Max head and Max flow are only the two points along the axis and does nothing to tell you how the curve OR line flows between the two which really is what's needed to define performance.

Ideally they would start posting something like head pressure at 1GPM or 1.5GPM for comparison purposes. Also giving it to us at 24V does little to tell you what it would do at 12V. Some pumps are pretty good at operating at varied voltages while others not so much.

One obvious spec that jumps out though is the lifespan or MeanTimeBeforeFailure. The Laing series is specified to 50,000 hours while this pump is 20,000 or less than half that. Reliability in a pump is pretty important in water cooling especially if the pump doesn't come with an RPM wire to setup a shutdown routine using that wire.

Sure you can buy 24V converters such as Koolance's SPD24, but that adds another cost which makes 24V operation a bit more costly as part of the equation.

Anyhow, I guess the answer to your question is simply because they are pumps that have been tried and true and used in watercooling for a long long time. That's not to say your little pump couldn't be better or good or bad...just not known or tested enough to be trusted. Trust is earned and it takes time.
    
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post #42 of 59
Thread Starter 

so i found a vid on youtube that explains flow rate and head pressure very well using a similar pump to the one i use now i understand the difference very well check it out.....

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post #43 of 59
Quote:
Originally Posted by Martinm210 View Post

Anyhow, I guess the answer to your question is simply because they are pumps that have been tried and true and used in watercooling for a long long time. That's not to say your little pump couldn't be better or good or bad...just not known or tested enough to be trusted. Trust is earned and it takes time.
most definitely..

if this wasnt the case... we'd all be using TT pumps!

Go TT!!!
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post #44 of 59
I don't recommend the 655, I recommend the 355. The 355 has more head and more than enough flow for any water block. The 655 won't out perform the 355 in a single-block setup but in cases of multi-block/radiator use with loops, which can cause high restriction, the 355 can out perform the 655.
 
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post #45 of 59
Quote:
Originally Posted by Shrimpykins View Post
I don't recommend the 655, I recommend the 355. The 355 has more head and more than enough flow for any water block. The 655 won't out perform the 355 in a single-block setup but in cases of multi-block/radiator use with loops, which can cause high restriction, the 355 can out perform the 655.
How does the MCP35X fit into all of that?
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post #46 of 59
Quote:
Originally Posted by Blindsay View Post
How does the MCP35X fit into all of that?
35x > DDC-2 ~ 3.25 ~ 3.2 > 3.15

The 35x is the best DDC u can get right now...

HOWEVER.. and i say HOWEVER...

You can not open it up, you can not switch tops, all your allowed to do is run pinesol though the DDC to clean it without voiding your warrenty.

Which for me kills it...

So i push / recommend koolance's pmp-400 which is a ddc3.25, and offers the option for you to do whatever u want to it minus doing something stupid that kills the pump.
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post #47 of 59
Thread Starter 
so far i like my pump i bough the koolance pump controller for it...its loud at 24v but thats because of the way i mounted it the vibration circulating the would which creations a loud humming sound also at 24v thats where the pump shines as well....i redo my whole loop and case setup so i'm going to post some vid and pick showing what my pump sound like and setup look like.
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post #48 of 59
Thread Starter 
ok guys so here my work log plus pump update with sum pics and vids let me know what you all think and what can be improved negitive criticisms is welcome

this is what my pc look like before the mods




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post #49 of 59
Thread Starter 
sum more pics

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post #50 of 59
"Life span: > 20,000hrs " = instant deal breaker
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