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The 1st post needs to be updated. This is still good for general info but the sites listed have changed their stock in most cases.
I disagree.
First the one or two loop issue:
Two loops is exactly what not to use. The main reason for this is that CPU and GPU(s) rarely work at full load at the same time. With separate loops (or regular air cooling, for that matter) you need to dimension it to cool off the maximum power generated by that part of the computer, but with a single full loop you only need to cool off the average power generated over a somewhat longer time span.
The more water you have in the system the more thermal inertia will be present,
and so there's an increase in the averaging time with resulting reduced maximum cooling requirement.
Then the cost issue:
If low cost is more important than low noise there's no need for full cover graphics blocks. Regular heatsinks mounted on the VRMs combined with a fan blowing at them (and the RAM) is sufficient when using cheap GPU only blocks.
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I've been considering water cooling for my own computer, to make it more quiet. But to do that is pretty much impossible without spending some $400 or more, since it requires (amongst other things) a quiet pump, a large passively cooled radiator, CPU block and full graphics block.
Cheers
Olle
I thought I would throw in my thoughts
Block: Enzotech Sapphire Rev A $47 (free shipping) (for the money it is the best block out there, it performs within 1c or 2c of the most exspensive block on the market, it has nice barbs, all cooper construction, cheap... list goes on and on why you should use this block)
http://www.newegg.com/Product/Product.aspx?Item=N82E16835708019
Radiator: Swiftech MCR320 $50 (great radiator, does pretty well even on slower fans)
http://www.jab-tech.com/Swiftech-MCR320-QP-K-Triple-120mm-Radiator-pr-3320.html
Fans: YATE LOON 120mm Case Fan - D12SH-12 $3.30 (x3 or x6 for push-pull, great fans, if thy are too loud just trim them down with a fan controller, they really are not that loud)
http://www.jab-tech.com/YATE-LOON-120mm-Case-Fan-D12SH-12-High-Speed-pr-3771.html
Tubing: Masterkleer 7/16id x 5/8OD $0.49 per foot (10 or 15 feet, just heat it up in boiling water for a few seconds and it will slide right over 1/2" barbs, it will be tight and will not need clamps but I would still use them anyway )
http://www.jab-tech.com/Masterkleer-Tubing-7-16-ID-5-8-OD-pr-3079.html
Fillport: $7
http://www.jab-tech.com/Enzotech-FillPort-Matt-Black-BNPH-ID1-2-G14-pr-4697.html
Clamps $0.40 (medium size, I would get 12 of them)
http://www.jab-tech.com/Plastic-Tubing-Clamps-Black-pr-3522.html
T line: $1 (simple way to fill and bleed a loop)
http://www.jab-tech.com/1-2-T-Line-for-1-2-ID-Tubing-Black-pr-3519.html
Fittings:
bitspower silver 1/2" $3.50 per unit (need at least 4, maybe more, the silver that these fittings have will protect your loop from creepy crawlies growing in your loop)
pump: a few choices on this
Swiftech MCP 355 12v DC Pump (fits in tighter spaces, great for a longer loop) $67
http://www.jab-tech.com/Swiftech-MCP-355-12v-DC-Pump-pr-3510.html
A little more powerful than the above listed pump, maybe be harder or simpler to fit, depends on the case really)
http://www.jab-tech.com/Swiftech-MCP655-B-12-VDC-Pump-Without-speed-controller-pr-3803.html
for the budget minded
XSPC x20 750 res/pump combo (cheap, allows you to not purchase a t line and fill port)
http://www.jab-tech.com/XSPC-X2O-750-Dual-5.25-Bay-Reservoir-Pump-pr-4728.html
even more budget minded:
Hydor L30 (is A/C Powered, will need a relay I will talk about that on the bottom) $40
http://www.crazypc.com/products/hydor_l30-9338.html
if you are a cheap skate penny pinching turdmonger then this is the pump for you
Via Aqua 1300 or larger $17
(great pump, has been used since the dawn of water cooling, I have owned one and it is still alive after 8 or 9 years, still pumping away and I bought it used, this will also need the relay listed below)
http://www.americanaquariumproducts.com/ViaAqua1300.html
pump relay: $5 call Electronics Supply in Kansas City, MO Toll Free (800) 669-3752
tell them you need a double pole single throw relay(at least thats what I recall) just tell them you have a low draw AC 110v device that you want to turn on when the relay senses a 12 volt DC signal... it's less than $5 and a much better price than the $20 or $30 for the 'proper' kit
electronics supply website: www.eskc.com
I don't even know where to start with water cooling. I'm completely new to it but I want to get started. Any beginner's guide to water cooling or anything like that?
I've been considering water cooling for my own computer, to make it more quiet. But to do that is pretty much impossible without spending some $400 or more, since it requires (amongst other things) a quiet pump, a large passively cooled radiator, CPU block and full graphics block.