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2 Watercooling product questions for first time wcer (opinion questions)

post #1 of 8
Thread Starter 
Basically I'm getting ready to build my first loop, i was originally gonna go with the rx240 kit over the rs240 kit, but its 40 dollars more and for that price i figure i might as well just build my own loop with the rx240 and the rasa.

so my questions are, what is the difference between the swiftech 355 pump and the 655, and which is better? or are they better at different things? also, are there any other good pumps that might be cheaper? i only mentioned these two because they are all i seem to see around.

and second, i know there is alot of talk about this, and i did search and read a few topics but i wasnt satisfied, so compression fittings. In your guys opinion what do you gain from them? are they proven to be safer? they obviously look better. but they cost almost 5 times as much as barbs

and just for bonus, a third question, what are two types of good reccomended barbs and compressions fittings.

probly gonna go with 1/2 OD barbs/compression fittings and 7/16 ID tubing....that is correct right? lol
Edited by nano56 - 2/19/11 at 11:01am
    
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post #2 of 8
1) for single loop either pump is overkill, your going to spend a lot more than the Rasa kit(s) unless you piece everything preowned, The RS240 is good enough for a cpu loop. The pump included for the kit is really good (not the greatest and most powerful) for a single cpu and maybe a gpu block in the future

2) Its all about the bling-bling factor and costs. Compressions are specific, so if you change your tube (both id and od) than you'll need to change your compression fittings too.

3) 7/16 on a 1/12 barb will make a super tight seal you might not need clamps.

good luck
post #3 of 8
The MCP655 has a higher flow rate, but less head (pressure) than the MCP355. Both of them are good pumps though.

Compressions aren't any safer than barbs+clamps. They do look really nice and make the build look clean and neat, but totally aren't necessary.

1/2" OD and 7/16" tubing you probably won't need clamps, at $1 apiece though it really can't hurt for the extra security.
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post #4 of 8
The 355 as stated above has more head pressure and is better for restrictive loops. You can replace the top on the 355 to increase its flow rate as well. The 655 pump is quieter than the 355 but in general the 655 can handle your loop. Only with restrictive parts like an apogee xt or one of the black ice gtx rads or mosfet blocks and etc will it matter.
    
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post #5 of 8
Thread Starter 
ahh i see. Good to know about the pumps. is the rx 240 considered a restrictive pump? what specification should i be looking for to know if its restrictive? if its not then ill probly pick up a 655 for my loop
    
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post #6 of 8
rx240 is a rad, not a pump. probably just typed it because you were thinking of something else though.

as stated above, your loop isnt too restrictive and either one of the pump will work.
    
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post #7 of 8
Thread Starter 
yeahp, its 330 am and i just worked a 12 hour shift haha, i meant rad.
    
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post #8 of 8
XSPC Rasa kit:

cpu block: Rasa
rad: RS (standard) or RX (high performance, thick)
pump/res: X20-750 (750 L/H & 1.8 meters of head pressure) - pump is built into the reservoir.

The kit is an overall great way to get started in water cooling. Everything is included except water and silver (ie kill.coil). If you end up not liking the pump/res, sell it and get a new pump (either DDC or D5) and a res.
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