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post #1 of 16 (permalink) Old 02-12-2019, 03:51 AM - Thread Starter
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Choosing an air cooled RTX 2080 Ti for fan modding

Hello everyone. I am in a need of advice/assistance. Thank you very much in advance.

I am planning to buy an air cooled card and remove the shroud/fans to replace them with either two NF-A12x25s or two Silent Wings 3 140mm. Whichever ones fit, with the latter being preferable.

My potential candidates are Lightning Z and FTW3 Ultra. Maybe Gaming X Trio if it has the same sized heatsink as Lightning Z (with this one I would have to flash the bios, which I would like to avoid because of the risk of voiding the warranty). I would consider a HOF if they were available (don't know whether that shroud/display can be removed easily).

The goal here is to achieve the best noise/performance cooling ratio while having one of the potentially highest OCing air cooled cards. The price is not a consideration here. As I have understood while reading this awesome thread MSI has a larger heatsink than FTW3. Is that accurate? Also its height might allow fitting two 140mm fans instead of two 120mm. Can anyone verify? These factors would make it a number one choice for me. That is unless there is no way to do the mod without voiding the warranty on a MSI card. That is important for me. Can it be done? Otherwise, an FTW3 is the only choice.

Last edited by Praegrandis; 02-12-2019 at 04:29 AM.
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post #2 of 16 (permalink) Old 02-12-2019, 07:44 AM
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If price is no concern then why not grab any air cooled card and buy a Raijintek Morhpeus II? Would cool better than an OEM heatsink + fans zip tied on.

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post #3 of 16 (permalink) Old 02-12-2019, 07:58 AM
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The price of 2 NF-A12x25s = Accelero or Morpheus.

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post #4 of 16 (permalink) Old 02-12-2019, 08:47 AM - Thread Starter
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Quote: Originally Posted by The Pook View Post
If price is no concern then why not grab any air cooled card and buy a Raijintek Morhpeus II? Would cool better than an OEM heatsink + fans zip tied on.
Raijintek Morpheus II does not cover the RTX 2080 Ti die completely as is explained by Buildzoid in this video:


He has sorted the die coverage issue by using the centered mounting holes and bending the screws inwards. This sounds like a getto mod and I am not convinced that I would be able to make it work.


Besides, AIB heatsinks this generation are much beefier so the difference wouldn't be substancial, would it?
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post #5 of 16 (permalink) Old 02-12-2019, 08:52 AM - Thread Starter
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Quote: Originally Posted by Smanci View Post
The price of 2 NF-A12x25s = Accelero or Morpheus.
I don't think Accelero would be an improvement in noise/performance over the cooling solutions on FTW or Gaming Z (X Trio). Those already use substantial heatsinks with 3 similarly sized fans.

I would consider Morpheus but I don't think it is a good idea for the reason I explained above.

Also I don't really care about price. Just want the best possible air cooling solution (noise/performance ratio) for my gpu.

Last edited by Praegrandis; 02-12-2019 at 08:58 AM.
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post #6 of 16 (permalink) Old 02-13-2019, 02:31 AM - Thread Starter
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post #7 of 16 (permalink) Old 02-14-2019, 05:04 AM - Thread Starter
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post #8 of 16 (permalink) Old 02-14-2019, 06:06 AM
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I did a similar evaluation when buying a 1080Ti. I tried to find the heatsink dimensions of the cards I was considered. I figured the taller and longer the heatsink the better -- especially if removing the stock fan pack and shroud (which I did).

I replaced the stock fan pack on my MSI 1080Ti Duke w/a shrouded noctua NFA14-ippc3000 and a 3300 RPM SanAce 127x38mm. While it didn't seem to make much diff. in GPU temps over the stock fan pack I think the VRM's are being kept cooler because I don't throttle as much at max overclocks. I was able to remove the stock fan pack without affecting the one screw that has the warranty sticker on it but the connector to power/control the LED's on the shroud broke because there was no way to get to the connector (it's under the heatsink). I also applied thermal tape to nearly the entirety of the backplate a mod I think is worth doing.

The Accelero Xtreme III mounted on my other 1080Ti w/the noctua NFA14-ippc300 and a 4000RPM Nidec 120x38mm fan never broke 60°C even on the hottest summer days so I wouldn't count the Accelero Xtreme III out.
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post #9 of 16 (permalink) Old 02-15-2019, 09:08 AM - Thread Starter
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Quote: Originally Posted by 8051 View Post
I did a similar evaluation when buying a 1080Ti. I tried to find the heatsink dimensions of the cards I was considered. I figured the taller and longer the heatsink the better -- especially if removing the stock fan pack and shroud (which I did).

I replaced the stock fan pack on my MSI 1080Ti Duke w/a shrouded noctua NFA14-ippc3000 and a 3300 RPM SanAce 127x38mm. While it didn't seem to make much diff. in GPU temps over the stock fan pack I think the VRM's are being kept cooler because I don't throttle as much at max overclocks. I was able to remove the stock fan pack without affecting the one screw that has the warranty sticker on it but the connector to power/control the LED's on the shroud broke because there was no way to get to the connector (it's under the heatsink). I also applied thermal tape to nearly the entirety of the backplate a mod I think is worth doing.

The Accelero Xtreme III mounted on my other 1080Ti w/the noctua NFA14-ippc300 and a 4000RPM Nidec 120x38mm fan never broke 60°C even on the hottest summer days so I wouldn't count the Accelero Xtreme III out.
1080 Ti heatsinks were smaller than the 2080 Ti. So the difference would be bigger when replacing a 1080 Ti heatsink with Accelero vs 2080 Ti. Still, I am hoping someone can give me the specs for the heatsinks of the cards I mentioned in the original post. I can't find the dimensions and weight anywhere on the internet.
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post #10 of 16 (permalink) Old 02-15-2019, 02:41 PM
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Quote: Originally Posted by Praegrandis View Post
1080 Ti heatsinks were smaller than the 2080 Ti. So the difference would be bigger when replacing a 1080 Ti heatsink with Accelero vs 2080 Ti. Still, I am hoping someone can give me the specs for the heatsinks of the cards I mentioned in the original post. I can't find the dimensions and weight anywhere on the internet.
Maybe you could look at the total weight of the card to give you some idea of how much the heatsink weighs?

Have you tried contacting the manufacturer's of these various 2080Ti's? I doubt they would reply but you never know.

The bare heatsink of the Arctic Cooling Xtreme III measures 286mm long x 92mm high x (54 mm Width with fans)/(35mm without fans). I've never come across any video card heatsink that long (even Raijintek's Morpheus II).
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