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post #11 of 21
Alphacool's nexxxos line is considered one of the best radiator brands right now, but to be fair, that is primarily based on testing that did not include the latest Koolance copper 30 FPI models. The only testing for koolance rads that I found were for the older 20 FPI models.

Similarly, I couldn't find any radiator testing data for those silverstone fans, and the mentions I found through googling were inconclusive. FWIW the AP123's were designed specifically for low noise when used as a case fan in combination with a fan grille, and those enhancements won't necessarily apply when they're used with a radiator. Also they're a bit expensive, so I expect you could find something that performs as well or better for less moolah. I've always been partial to Gentle Typhoons for my rads but unfortunately those are off the market right now and it's unclear if they will come back. I'm not a fan expert though, so I leave it to others to make alternative recommendations.

Otherwise it looks like you have a solid plan underway, as well as the critical ability to recognize what you don't know and figure out how to learn it, so I'm sure you'll be fine thumb.gif

I can offer a few points of general advice, based on my own experiences and what I've learned here:

I benefited enormously from dry-mounting all the components first, and then figuring out what fittings I needed to make the best tube runs. Plan on having an assortment of angle adapters and short extensions handy, and maybe a snake or two if you expect any tight turns. I built into an older case that required very careful measuring and a little bit of modding to fit everything in however, so you will probably have an easier time in the 750D. But if you can tolerate waiting until after the dry-fit to order the fittings, you'll cut down a bit on second-guessing and over-ordering.

Also, incorporate into your plan from the start how you are going to fill and drain the loop for maintenance. There are a lot of different strategies but this seems to be something that often gets neglected. My own scheme is to use quick-disconnect fittings and extension tubes that I connect when needed, one on my res (bay mount) for filling, and another at a T at the bottom of the loop for draining.

Many people also like having a bay-mounted fan controller. The fan count adds up very quickly if you have multiple large radiators, in which case a controller is an absolute necessity IMO. You'll want one with 30W per channel, and enough channels to dedicate one per radiator plus a few for case fans or future rads (on future builds biggrin.gif) Integrated displays that can show temperatures and RPM's are a bonus. You'll also need fan splitters to gang things together.

Good luck and keep us all posted on your progress!
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post #12 of 21
Alphacool rads are great. Ek acrylic blocks have the option of putting leds on the sides to light up the block. I like ek gpu blocks as well. Keep in mind of the reservoir you get. Don't something too big otherwise it'll be a tough fit in the 750D. I have a xspc photon 270mm reservoir in my 750D and its a very tight squeeze. Take a look at my sig to see how it fits.
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post #13 of 21
Thread Starter 
Thanks for the continued replies and info. Trust me that I'm keeping tabs on everything mentioned. The fans, like anything else related to cooling, aren't set in stone (or Silverstone, in this case. HA! Double pun!). I picked those fans due to a few good reviews I've seen/read. The others that were on my list are Noctua, Corsair and the Gentle Typhoon mentioned. The Noctua fans aren't too appealing due to their color.
I'm sticking with a smaller reservoir just to make sure I have enough for a little eye candy and not go overboard and have worries about things not fitting or taking up too much room.
Does anyone know if there's been a comparison between GPU water blocks? As I start poking around I found one from Koolance and one from XSPC that might be of interest but want to see/read some reviews. The fact that the EK (and the on from XSPC) allow for LED lights is a plus!
I plan to build the system first without the cooling added to make sure that all components work before I take the time to add the cooling blocks and other cooling parts so I don't have to take everything apart in case something doesn't work. I don't want to take the time to plumb this only to find that the mobo or graphics card don't work.
Once I'm sure everything works I'll start dry fitting the components and take measurements for the tubing. Then I plan to put the water loop together with water blocks, compression fittings and rads connected outside of the system and let it run for a day or so to make sure everything there works as it needs to. Lastly, I'll finalize the connections in the system and let the cooling system run for another day or two. There will be plenty of paper towels all over the place to catch any leaking water. Basically I'll be following the many vids I've seen and will only run the cooling system out of the case for a day just for my own anal and OCD reasons.
I plan a drain at the lowest part of the system but haven't given it all that much thought yet. It is planned and I'll have one somewhere for sure. I don't foresee an issue filling the reservoir with a length of tubing and a funnel.

Davidh: The rad in the front of your system. Is it pulling air into the system or pushing out? That res does look like a tight fit.

Thanks again to all. Every reply is a little more that I add to my reservoir of knowledge (HA! Another pun!)
post #14 of 21
The rad in the front is pulling air in and the top rad is exhausting air. The back fan is also pulling air in. With the reservoir in place, its really hard to squeeze a tube between the fillport and the top rad. Filling was a pain with it. Also I was hoping to use one of the hard drive cages, but it wasn't possible with the reservoir.

Here is a link for several titan/780 waterblocks should give you an idea how they performance: http://www.xtremerigs.net/2013/10/03/nvidia-gtx780titan-water-block-roundup/
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Watercooled 750D
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Alphacool 240mm 60mm Thick Radiator EK Supremecy  EK 770 VGA Waterblock XSPC 270mm Photon Reservoir/D5 Pump 
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Windows 7 Asus 24 in  Corsair 750D 
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post #15 of 21
Watercooling is really easy, the only think you need to keep in mind is to make sure everything fits inside the case, or outside. And if you have to mod anything you need the tools. I do recommend a bay res that you can mount your pump in because you will save alot of space and save you the effort of mounting the pump and res in the chassi. These bay res are expensive but totally worth it.

Also think about where you wanna place the rads and if you need 90 degree fittings, spacers, etc. I recommend 10/13mm tubes because they are flexible and dont take alot of space. Measure the space between the top and the motherboard, that will determine what thickness your rad can be, which is very important. Corsair 750D is a very good case because it has alot of spacwe between the mobo and top and also allow you to mount a thick rad in the bottom still beeing able to have one or even two hdd cages mounted under the drive bays.
Edited by PachAz - 4/9/14 at 8:42am
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My PC
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post #16 of 21
Thread Starter 
I have thought about and I am still possibly considering a bay mounted res and pump for the space saving reasons. On one hand it would be nice to have a little eye candy on the front of the unit. Yet on the other hand I don't want the windowed area to look too empty so it really all boils down to how busy or empty the inside will look with all chosen components. I'm looking for a 150mm/106mm-ish res that I hope to fit low on the case right above the pump. I don't plan to use any of the drive cages so that's a good deal of room available to me. I want to get the lower rad placed in front which, I am thinking/hoping, makes a dedicated drain solution easier. Then again, with the very little thought to draining given at this time, I might just put a T or Y connection at the pump seeing that it might end up being the lowest point in the water loop for a drain with some shut off valve or a plug.
Thanks Davidh for that link to the waterblock comparison. I have been looking for something like that and it will be read thoroughly.
Thanks to everyone for their replies as all the info on here is proving very helpful.
post #17 of 21
a 170mm reservoir would easily fit and fill the space up for a 750D. I would definitely recommend a tub res for aesthetics thumb.gif
Watercooled 750D
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Alphacool 240mm 60mm Thick Radiator EK Supremecy  EK 770 VGA Waterblock XSPC 270mm Photon Reservoir/D5 Pump 
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Alphacool 240mm 60mm Thick Radiator EK Supremecy  EK 770 VGA Waterblock XSPC 270mm Photon Reservoir/D5 Pump 
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Windows 7 Asus 24 in  Corsair 750D 
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post #18 of 21
Thread Starter 
Sorry to bring up an old thread but I'm at the point where I'm ordering most of my cooling components today. I'm about to order some Primochill Advanced LRT and want to know what is the most common size (inner and outer diameter) that people use with their cooling loops? As always, thanks for any and all replies and help.
post #19 of 21
I use 1/2 ID and 3/4 OD, a lot of people use 3/8 ID and 5/8 OD (most common two I think). Its all aesthetics normally, I liked a bigger tube, but a bigger tube gives less flexibility for bends.
Watercooled 750D
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Alphacool 240mm 60mm Thick Radiator EK Supremecy  EK 770 VGA Waterblock XSPC 270mm Photon Reservoir/D5 Pump 
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Watercooled 750D
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CoolingCoolingCoolingCooling
Alphacool 240mm 60mm Thick Radiator EK Supremecy  EK 770 VGA Waterblock XSPC 270mm Photon Reservoir/D5 Pump 
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post #20 of 21
7/16" ID x 5/8" OD is my personal preference. Has a great bend radius while still being sturdy enough to not kink. It's a happy medium between the slightly small looking 1/2" OD and the beefy 3/4" OD tubing. Plus it allows you to run clampless on 1/2" barbs. The added tightness of the 7/16" ID over the 1/2" barbs allow you to run without clamps, which IMHO looks fantastic for a much lower price than compression fittings.
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