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First build. Swiftech MCP 655 or MCP35X??

post #1 of 32
Thread Starter 
Hi all. I just had my first system built and so far it's going awesome! Did some mild overclocking to 4.5Ghz (first timer) and it worked . Now planning to crank it up to 4.8Ghz but got the stability problem. Need to add more vcore but the cooler can't handle more heat. So far, 4.5Ghz stable with 1.27v takes me to upper 60 to lower 70C on full day BF3 gaming. Now I plan to put my CPU and GPU under water and need advice for the pump. biggrin.gif

Currently, I'm planning to cool my 3770K and GTX670DC2 in my Corsair 600T case. Probably will add another 670 next year for SLI.

Picked some parts for the water cooling:
1. XSPC EX240 rad
2. XSPC EX120 rad
3. EK Supremacy nickel plexi
4. EK FC670 for Asus DC2
5. Bitspower Water Tank Z-Multi 150
6. Bunch of Bitspower fittings.

If i go for the 655, i will add Bitspower BP-D5TOPP2-BK D5 Mod Pump Top V2 but nothing for the 35X. Which one is better for my build? some pros and cons for both pumps if possible. Couple of notes: I want to keep it in a single loop, probably will add another video card and another 200mm rad as well. Thanks!!
post #2 of 32
Quote:
Originally Posted by Mozz13 View Post

Hi all. I just had my first system built and so far it's going awesome! Did some mild overclocking to 4.5Ghz (first timer) and it worked . Now planning to crank it up to 4.8Ghz but got the stability problem. Need to add more vcore but the cooler can't handle more heat. So far, 4.5Ghz stable with 1.27v takes me to upper 60 to lower 70C on full day BF3 gaming. Now I plan to put my CPU and GPU under water and need advice for the pump. biggrin.gif
Currently, I'm planning to cool my 3770K and GTX670DC2 in my Corsair 600T case. Probably will add another 670 next year for SLI.
Picked some parts for the water cooling:
1. XSPC EX240 rad
2. XSPC EX120 rad
3. EK Supremacy nickel plexi
4. EK FC670 for Asus DC2
5. Bitspower Water Tank Z-Multi 150
6. Bunch of Bitspower fittings.
If i go for the 655, i will add Bitspower BP-D5TOPP2-BK D5 Mod Pump Top V2 but nothing for the 35X. Which one is better for my build? some pros and cons for both pumps if possible. Couple of notes: I want to keep it in a single loop, probably will add another video card and another 200mm rad as well. Thanks!!

Both pumps will be fine for that how ever the D5 would be my choice because its quieter.

If you mod the case you will be able to get a 360 in the roof.

Have a look at the XSPC D5 EX240 and 360 kits they are much better value than getting all the parts separate.
^3
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^3
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post #3 of 32
Thread Starter 
Thanks for the first reply! I was actually looking at those options before but I was thinking will it be hard when I try to bleed the loop, will the pump enough if I add 2 more GPU blocks + 1x 120 rad + 1x 200 rad? So far, looking at those parts that I picked with fans + controller will set me back almost $1K USD. Not a cheap hobby this is. biggrin.gif
post #4 of 32
I prefer the MCP35X as the PWM control allows it to be almost completely silent until you need it at which point it will automatically ramp up to the required speed courtesy of the fan profile you set in the BIOS. Also, it has about 4.4M of head pressure while the D5 has around 3.5M. This means that the D5 will flow much better in a low-restriction loop but the MCP35X will perform significantly better in a high-restriction loop, and they about even-out in moderate restriction loops.
Also, the D5 is $10 cheaper but when you add the price of the modern kit, it is significantly more than getting the MCP35X plus the MCP35X Heatsink (highly recommended). The heatsink is because while the D5 is cooled by the water, thus adding about 35W of extra heat to your loop (or the difference between a stock 2500K and a 4.5Ghz 2500K, I believe) while the MCP35X is cooled by air.

The fact that you plan to add at least another block to your loop makes me feel like the MCP35X is the better choice, plus it's smaller.
   
Z77 Bench-a-lot
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Z77 Bench-a-lot
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post #5 of 32
Another vote for MCP35x or similar PWM controlled DDC.
Big Lian Li
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Big Lian Li
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post #6 of 32
MCP35X2 for me.
The Avatar State
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post #7 of 32
Thread Starter 
Wow. 3 out of 4 reply vote for the 35X. I do agree that my possible loop can be restrictive thus the higher head pressure is needed. However, I took a quick look at other threads and some of them actually post problems with 35X. I don't know whether they had bad batch or because of something else. I need a lot of input as I want the pump to be reliable for at least 2-3 years (if possible). My first big spending for a hobby. biggrin.gif
post #8 of 32
Both will work great, but I own the 655 so it gets my vote.
This pump once powered a system with five blocks and two rads without issue. It now handles a low restriction and two high restriction blocks.
It cannot be heard over the fans in the case.

Welcome to watercooling! thumb.gif
Mild Mod
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post #9 of 32
655. Quiet and way more reliable.
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post #10 of 32
Thread Starter 
Quote:
Originally Posted by Fan o' water View Post

Both will work great, but I own the 655 so it gets my vote.
This pump once powered a system with five blocks and two rads without issue. It now handles a low restriction and two high restriction blocks.
It cannot be heard over the fans in the case.
Welcome to watercooling! thumb.gif

Thanks! I guess 655 is the answer. Now i just need to figure out how to minimize the damage to my wallet. biggrin.gif
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