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Dual MCP355 or MCP655? - Page 3

post #21 of 28
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Quote:
Originally Posted by mm67 View Post
Why would you spend money on PWM controlled pumps and then use voltage control with them.
The newer 35X seems simply better than say a D5 or the 355 regardless of wether it's PWM or not. If I'm wrong please by all means explain. I'm only looking for whats best

I'd rather have them hardware controlled than hooked to a motherboard header. It's much simpler in my opinion. I'll run my fans, for example, at different speeds depending on more than just my systems temp (as long as they're in an acceptable range). Mood, headset, company to list a few. A single rpm:temp software profile wouldn't do.

The FC5 happens to be the only controller I already own.
post #22 of 28
Quote:
Originally Posted by Glancey View Post
The newer 35X seems simply better than say a D5 or the 355 regardless of wether it's PWM or not. If I'm wrong please by all means explain. I'm only looking for whats best

I'd rather have them hardware controlled than hooked to a motherboard header. It's much simpler in my opinion. I'll run my fans, for example, at different speeds depending on more than just my systems temp (as long as they're in an acceptable range). Mood, headset, company to list a few. A single rpm:temp software profile wouldn't do.

The FC5 happens to be the only controller I already own.
In my opinion you won't gain anything by using MCP35X instead of MCP355 when you don't use the features that separate it from cheaper models. If you don't use the better top or PWM control that MCP35X has then just buy a normal DDC 3.25 from some other brand than Swiftech, that way you might even be able to not lose warranty of your pumps.
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post #23 of 28
Quote:
Originally Posted by Rognin View Post
I went with two 655's, and I get mad flow rate, with very low noise.
What's your flow rate?
I don't get concept of "mad" too well
    
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post #24 of 28
koolance flow meter says 1800 rpm on the tacometer. I'm guessing good flow... =P
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post #25 of 28
Quote:
Originally Posted by Rognin View Post
koolance flow meter says 1800 rpm on the tacometer. I'm guessing good flow... =P
That says nothing I'm afraid, looks like just the pump speed, proper flow sensor is required to read that.

In one of my previous revisions I've had 2 D5 Strong pumps @ 24V - 6000 RPM - doing just 165 l/h.
Now my 3 DDC @ 12V - 4500 RPM are doing well over 400 l/h.
Obviously it's quite a lot of difference in components between these 2, but just showing that RPM means not much.
    
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post #26 of 28
Quote:
Originally Posted by luke997 View Post
That says nothing I'm afraid, looks like just the pump speed, proper flow sensor is required to read that.

In one of my previous revisions I've had 2 D5 Strong pumps @ 24V - 6000 RPM - doing just 165 l/h.
Now my 3 DDC @ 12V - 4500 RPM are doing well over 400 l/h.
Obviously it's quite a lot of difference in components between these 2, but just showing that RPM means not much.
If he is using this : http://www.koolance.com/water-coolin...roduct_id=1057 and it is setup properly then 1800 rpm would mean that his flow rate is 180 l/h.
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post #27 of 28
Quote:
Originally Posted by mm67 View Post
If he is using this : http://www.koolance.com/water-coolin...roduct_id=1057 and it is setup properly then 1800 rpm would mean that his flow rate is 180 l/h.
Thanks, that's helpful.

So not a mad flow afterall
    
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post #28 of 28
Quote:
Originally Posted by luke997 View Post
Thanks, that's helpful.

So not a mad flow afterall

Ahh I thought that would be a pretty good flow rate...
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