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MCP655/655B vs 355, 35x

post #1 of 16
Thread Starter 
I've been questioning a lot over on this board regarding WC setup.. I know it can be annoying posting/ making few threads over different question but I must know!

What's the best pump for set up like mine? CPU GPU Bay res 240mm rad(mcr220)

I've read 35x is one of the best but I don't really want to pay extra when I dont actually need that powerful of a pump.

while I've heard okay things about 655-B but Also 655 series pumps are quieter? but bigger? what about those 355 and 350?
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post #2 of 16
You are fine with the MCP655 since you don't have a lot of restrictions, MCP355 is another great choice and most people recommend getting a top to increase perform. MCP655 is quieter in my opinions and it should be just as good as other pumps for your setup.
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post #3 of 16
Either one will work fine for that setup as their is minimal restriction. Less than a 1C difference between the two. If you are planning on going with another GPU block and a mobo block I suggest leaning towards the MCP355.

On another note: Are you planning on cooling everything with a 240mm rad? I suggest going with at least a 360mm for cooling the CPU and GPU.
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post #4 of 16
Thread Starter 
hmm.. yeah. I read they are both on par... I can't seem to find 355 locally in canada, well daz does but with shipping it cost just as much as 35x i can pick up from NCIX price matched.

roughly around 87 bucks through ncix for 35x... vs 655 at 79...

edit: seeing_Red: yeah.. 240 for both GPU CPU. I've been told by handful amount of people to run 360mm rad.. I could but I don't really want to cut the top of my case to fit extra 120mm length of rad.. I suppose i can go external mount.

I've already have everything on hand... I'll see how it goes.. mostly my GPU is only OC'd under very gpu intensive gaming but most of it's life runs at stock clocks
Edited by mekaw - 2/8/11 at 1:01pm
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post #5 of 16
Quote:
Originally Posted by mekaw View Post
hmm.. yeah. I read they are both on par... I can't seem to find 355 locally in canada, well daz does but with shipping it cost just as much as 35x i can pick up from NCIX price matched.

roughly around 87 bucks through ncix for 35x... vs 655 at 79...

edit: seeing_Red: yeah.. 240 for both GPU CPU. I've been told by handful amount of people to run 360mm rad.. I could but I don't really want to cut the top of my case to fit extra 120mm length of rad.. I suppose i can go external mount.

I've already have everything on hand... I'll see how it goes.. mostly my GPU is only OC'd under very gpu intensive gaming but most of it's life runs at stock clocks
I say go with the 35X as it is a better pump than the 355 and it already includes a custom top so you can use any fittings you want. The 655 only has 1/2" barbs.

As for the 240, you might be fine if you can get some fast fans like Ultra Kazes, Deltas, San Aces or Panaflos.
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post #6 of 16
I have used E8400 + GTX 280 with a 240 radiator. The pump I used was not even close to MCP350 (XSPC bay reservoir pump). It was all fine. I am quite sure you will be fine with a 240 radiator.
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post #7 of 16
MCP35X FTW. Price versus diff isn't that much more when you consider the integrated top and PWM .
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post #8 of 16
Thread Starter 
I'm not to keen on PWM function, it's possible to make it run at full rpm at all times right? plug into just 3 pin connector?
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post #9 of 16
Quote:
Originally Posted by adamlau View Post
MCP35X FTW. Price versus diff isn't that much more when you consider the integrated top and PWM .
Price / performance wise, the 355 is better over the 35X. It cost a lot less, you can also get the PMP-400 which is a revision of the 355 for a lot less, and the difference isn't much.



To the OP:
Less restrictive short loops, go for the 655 or 655B (which is a fixed speed pump over the 655).

For very restrictive or longer loops, the 355 is best. If you have the $$, go for the 35X, but its not needed that much.
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post #10 of 16
Yep, the MCP35X is more than capable of running at full speed all of the time. However, you may grow to like the PWM function as it won't increase your load temperatures at all, and it will decrease the noise and power consumption by the pump.
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