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  Topic Review (Newest First)
05-10-2020 07:08 AM
kenman45 Hi guys; I use Corsair Obsidian Series ™ 750D Full Tower ATX chassis. What is the size of the rubber feet under the computer case in the picture? Please be metric system (mm). Thank you for the information.
02-09-2020 08:19 AM
Barefooter
Quote: Originally Posted by Karlovsky120 View Post
It looks really nice. How did you handle the 420 radiator outlet at the back of the case? I've been thinking about doing a xflow radiator, but I'm not sure I could get the tube out of there, and I would like to have at least a 120mm fan mounted at the back.

Dremel? What exactly? Looking at it, there are two bits that are bent inwards that are in the way. Do you think I could bend them back so they are flush with the bay? I would really like to not take dremel to the case. Was there anything else in the way?

How tall is your reservoir? I was thinking about mounting mine on the bottom section of the 280 radiator in front, as I really don't like making extra holes in the case.
I put the fittings and tube to the rear port on first then mounted the radiator in the case, otherwise there was no way to reach that fitting.






I had to cut out the little slide rail for the top 5 1/4" bay on both sides.








I also had to cut out this area at the bottom of the 5 1/4" bay cage because it was hitting the front 280 rad.




Test fitting the radiator with masking tape on the side.




I think the res is 200mm without the pump.

Hope that helps. You can do it, but like I said it is a tight fit.

.
02-06-2020 06:58 PM
Karlovsky120
Quote: Originally Posted by Barefooter View Post
I fit an EK 420 up top and an EK 280 in front of my 750D. It's a tight fit for sure. You are going to have to dremel a few places in the top 5.25" drive bay to fit the 420 in there.

Also I mounted the top rad with the soft tube already connected to it and then installed the mother board.

This post has some pictures of mine with the drain out the rear of the case.
https://www.overclock.net/forum/25066367-post9104.html

Good luck!
It looks really nice. How did you handle the 420 radiator outlet at the back of the case? I've been thinking about doing a xflow radiator, but I'm not sure I could get the tube out of there, and I would like to have at least a 120mm fan mounted at the back.

Dremel? What exactly? Looking at it, there are two bits that are bent inwards that are in the way. Do you think I could bend them back so they are flush with the bay? I would really like to not take dremel to the case. Was there anything else in the way?

How tall is your reservoir? I was thinking about mounting mine on the bottom section of the 280 radiator in front, as I really don't like making extra holes in the case.


Quote: Originally Posted by xOperator View Post
Haha, I was getting ready to make a reply, then realized we were replying back and forth on reddit also
Yeah, sorry, I posted here and then saw the date on the last post and was afraid that the thread was dead.
02-04-2020 06:09 PM
xOperator
Quote: Originally Posted by Karlovsky120 View Post
I've been an owner of a 750D Airflow for a while now, and I have too decided to have my first attempt at a custom loop (water cooling in general, now that I think of it, I never had an AIO).

I've mostly been looking at EK stuff. The idea is to have a 420mm and 280mm radiators cooling the CPU (9900KS) to start with, then add the GPU into the loop once 3080Ti comes out.
.......

Haha, I was getting ready to make a reply, then realized we were replying back and forth on reddit also
02-04-2020 09:10 AM
Barefooter
Quote: Originally Posted by Karlovsky120 View Post
I've been an owner of a 750D Airflow for a while now, and I have too decided to have my first attempt at a custom loop (water cooling in general, now that I think of it, I never had an AIO).

I've mostly been looking at EK stuff. The idea is to have a 420mm and 280mm radiators cooling the CPU (9900KS) to start with, then add the GPU into the loop once 3080Ti comes out.
EK 420 CE radiator is 145x460x45. The 5.25 bay is 150mm wide, so I can just barely fit it in. I could drill the six rivets and get rid of the it altogether, but I'd rather not if I don't have to. Clearance from the top of the case to the motherboard panel seems to be 70mm, which is 45mm+25mm, radiator + fan. I plan to mount the radiator to the top and mount the fans onto it since they are slightly narrower at 140x140x25. All this combined with the fact that there should be a horizontal gap of 15mm going from where the radiator ends and plate starts should give me more than enough room to pass a CPU power cable to the socket. I have Corsair HX1200i with the flat cables that are about 2-3mm thick which makes it even more plausible.

EK 280 CE is 145x320x45. It should fit nicely in the front. I plan to mount the reservoir-pump combo onto it. All those component combined should extend 45+88 (the pump) +10.5 (from the bracket) = 144mm from the front of the case (the fan mounting plate). That leaves more than 55mm to my current GPU (Gigabyte 2080Ti G1 gaming).

The CPU block would be standard EK velocity. I considered a monoblock (Aorus MAster Z390), but I was told cooling the VRM won't make much of a difference, the CPU block is almost the third of the price and I can reuse the block on any future 1151, 1200, AM4 and hopefully AM5 build.

I also plan to use soft tubing (matte black with clear liquid for the least amount of hassle). The problem I'm having now is deciding how to route the cables and where to put the drain mechanism. Depending on the radiator orientation, I have 4 options which you can see in the attached thumbnails (drawn haphazardly, not to scale).

If I put the outlets of 280 towards the bottom, I can attach a drain mechanism to it, as it's the lowest part of the loop. However, getting air out of it might prove difficult since it might get stuck in the top. Reversing it I have no problem with the air, but my lowest loop point now has no place where I can attach a drain.
As for the 420 goes, I'm not sure if I'll be able to connect the tubes if they're towards the back (I intend placing one 140mm fan on the back). Even if the fan doesn't block it, the outlets could be stuck between the case, the attached radiator fan and the motherboard IO plasti. If I turn it forwards I need to go around the 5.25 bay, but I guess that's better than the diagonal I'd have to do to get from the back of the case to the front radiator.

Another alternative is to get a two 5.25 bay reservoir and mount in in the two bottom 5.25 slots. I'd still have enough clearance for the 420 with a 25mm fan attached to it, but I'd have to pull the reservoir out a bit in order to fill it (which wouldn't be that big of a problem, I would just add some slack to the tubes that come in and out. Note that doing this would also mean I can no longer put 420 outlets towards the front, I'd have to place them toward the back (which might not be possible). I'd also sacrifice the sleek look of 750D from the front. Now that I think of it, I think that the original pump idea is better. Right?

What are your thoughts on this? How would you turn each of the radiators? Where would you put the drain?
Is there a flaw in my plan? Do you see something that I missed that might make all this not work?
I fit an EK 420 up top and an EK 280 in front of my 750D. It's a tight fit for sure. You are going to have to dremel a few places in the top 5.25" drive bay to fit the 420 in there.

Also I mounted the top rad with the soft tube already connected to it and then installed the mother board.

This post has some pictures of mine with the drain out the rear of the case.
https://www.overclock.net/forum/25066367-post9104.html

Good luck!
02-03-2020 05:55 PM
Karlovsky120 I've been an owner of a 750D Airflow for a while now, and I have too decided to have my first attempt at a custom loop (water cooling in general, now that I think of it, I never had an AIO).

I've mostly been looking at EK stuff. The idea is to have a 420mm and 280mm radiators cooling the CPU (9900KS) to start with, then add the GPU into the loop once 3080Ti comes out.
EK 420 CE radiator is 145x460x45. The 5.25 bay is 150mm wide, so I can just barely fit it in. I could drill the six rivets and get rid of the it altogether, but I'd rather not if I don't have to. Clearance from the top of the case to the motherboard panel seems to be 70mm, which is 45mm+25mm, radiator + fan. I plan to mount the radiator to the top and mount the fans onto it since they are slightly narrower at 140x140x25. All this combined with the fact that there should be a horizontal gap of 15mm going from where the radiator ends and plate starts should give me more than enough room to pass a CPU power cable to the socket. I have Corsair HX1200i with the flat cables that are about 2-3mm thick which makes it even more plausible.

EK 280 CE is 145x320x45. It should fit nicely in the front. I plan to mount the reservoir-pump combo onto it. All those component combined should extend 45+88 (the pump) +10.5 (from the bracket) = 144mm from the front of the case (the fan mounting plate). That leaves more than 55mm to my current GPU (Gigabyte 2080Ti G1 gaming).

The CPU block would be standard EK velocity. I considered a monoblock (Aorus MAster Z390), but I was told cooling the VRM won't make much of a difference, the CPU block is almost the third of the price and I can reuse the block on any future 1151, 1200, AM4 and hopefully AM5 build.

I also plan to use soft tubing (matte black with clear liquid for the least amount of hassle). The problem I'm having now is deciding how to route the cables and where to put the drain mechanism. Depending on the radiator orientation, I have 4 options which you can see in the attached thumbnails (drawn haphazardly, not to scale).

If I put the outlets of 280 towards the bottom, I can attach a drain mechanism to it, as it's the lowest part of the loop. However, getting air out of it might prove difficult since it might get stuck in the top. Reversing it I have no problem with the air, but my lowest loop point now has no place where I can attach a drain.
As for the 420 goes, I'm not sure if I'll be able to connect the tubes if they're towards the back (I intend placing one 140mm fan on the back). Even if the fan doesn't block it, the outlets could be stuck between the case, the attached radiator fan and the motherboard IO plasti. If I turn it forwards I need to go around the 5.25 bay, but I guess that's better than the diagonal I'd have to do to get from the back of the case to the front radiator.

Another alternative is to get a two 5.25 bay reservoir and mount in in the two bottom 5.25 slots. I'd still have enough clearance for the 420 with a 25mm fan attached to it, but I'd have to pull the reservoir out a bit in order to fill it (which wouldn't be that big of a problem, I would just add some slack to the tubes that come in and out. Note that doing this would also mean I can no longer put 420 outlets towards the front, I'd have to place them toward the back (which might not be possible). I'd also sacrifice the sleek look of 750D from the front. Now that I think of it, I think that the original pump idea is better. Right?

What are your thoughts on this? How would you turn each of the radiators? Where would you put the drain?
Is there a flaw in my plan? Do you see something that I missed that might make all this not work?
08-07-2019 09:38 AM
poliacido I am thinking of buying this case (airflow edition) to build a custom loop, do you know what is the max thickness allowed for the radiator on top?
I used to have a 800d back when it was released and i modded it to accomodate a 480 on the top but i sold it few years back and now i would like to build a custom loop again....
05-29-2019 07:28 AM
z3n0mal4
Quote: Originally Posted by SirWaWa View Post
imo, the way you have it is fine the way it is
I have a H115i pro 280 rad and it's a push, top setup like yours
Heat rises so you want it as exhaust
Well still i wanted to try a different setup.
So the radiator cannot fit on bottom, too long.
I placed it in front in a push-pull config with the 2 fans from the case. Going through the temps, the CPU is lowered by a couple degrees and the overall temps from MB, GPU and SSD seem to be around their initial values, so i'm guessing there's not a big change in the overall airflow inside the case. I'll keep looking.
05-25-2019 02:37 PM
SirWaWa
Quote: Originally Posted by z3n0mal4 View Post
Wondering if i should put the H100i radiator on bottom for better overall cooling? Also, push or pull?
imo, the way you have it is fine the way it is
I have a H115i pro 280 rad and it's a push, top setup like yours
Heat rises so you want it as exhaust
05-21-2019 05:39 AM
z3n0mal4 Wondering if i should put the H100i radiator on bottom for better overall cooling? Also, push or pull?
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