Sapphire 5700 XT + Raijintek Morpheus II + VRM heatsink - Overclock.net - An Overclocking Community
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Sapphire 5700 XT + Raijintek Morpheus II + VRM heatsink

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post #1 of 11 (permalink) Old 02-10-2020, 03:27 PM - Thread Starter
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Sapphire 5700 XT + Raijintek Morpheus II + VRM heatsink

Well, how to start this.

This is not my first cooling mod. I already got my hands on some AMD graphics cards:
- Gigabyte HD 7950 WF3
- Sapphire R9 290 and Gigabyte R9 290X

I was using my spare Arctic Accelero Xtreme 3 + some aluminium heatsinks to do some "magic", but this time I wanted to try something else, how to say it, more esthetical and pleasing for the eye. Yeah, black FTW. :-)

I bought a cheap reference Sapphire 5700 XT, nice black GPU cooler Raijintek Morpheus II Black and two aluminium heatsinks from Aliexpress.
My idea was to make a black full cover heatsink to cool VRMs and memory on the 5700 XT and for the core I was gonna use Morpheus.

Firstly, I made a template from transparent plastic foil to make my measurement a little easier.



Those two aluminium blocks from Aliexpress were glued together by two component adhesive. Then I used a paper tape to protect this black heatsink from scratching during my "work" with Dremel tool and files.



It took a very long time to get everything done and it was a "pita" job. Plus I sanded whole VRM a memory area with sand paper 1200 to get better contact with thermal pads. But this was only a bottom part of the hetsink.



"Top" part was even worse, I had to make room for Morpheus and its heatpipes around core.
It wasn't easy, I don't know how many times I checked clearance and gaps between Morpheus and full cover heatsink. There was always something in the way.



Between Morpheus and core I used Thermal Grizzly Kryonaut thermal paste and on memory chips and VRM I used Gelid GP-Extreme thermal pads (12 W/mK). Also I placed plastic washers between PCB and heatsink to get straight preasure on whole area.



On "backside" of the card I used original backplate with Phobya thermal pads under it to get even lower temps on those bloody memory chips. To avoid short curcuit I placed double sided thermal tape (I think Akasa or Alphacool) on almost every small component on PCB.
Fans choice, which would go on Morpheus, took also a long time, but I eventually chose this relatively cheap Arctic P12 PST CO fans.

To mount this heatsink to card I drilled 2,5mm holes into it and used M3 screw-tap to create an even thread. I think 20 screwes hold this beast, so it is fair to say that it's not going anywhere.

When everything was done I could finally screw everything together and "create" this beauty:



This is how it looks in my moded Jonsbo RM4 case (lots of modifications, I have to make a build log someday):



To check temps and noise I made it run through Fire Strike Ultra benchmark with my "sweet spot" 2100/900/1,15V settings and here is a result (ambient temp in the room was 24°C):



I really like how this mod turned out, it took hell of a time, but in my opinion it was worth it.
Frankly, I like this 5700 XT mod a lot.

Feel free to ask, share, comment, criticise, whatever...
I hope this mod will inspire others to not be afraid to get their hands on hardware, it's OVERCLOCK.NET anyway. :-)

Case: Jonsbo RM4 mod PSU: Corsair RM750 CPU: Intel Core i7-4790k RAM: Crucial Ballistix Tactical LP 4x4GB GPU: Sapphire 5700XT + Raijintech Morpheus mod
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post #2 of 11 (permalink) Old 02-10-2020, 03:34 PM
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looks sweet, make me one for my 1080 Ti

Morpheus II is the best upgrade I did in a long time, but using adhesive tape for the dollar store quality mosfet heatsinks surely felt really cheap for an otherwise solid product.

Intel i9 9900K Coffee Lake @ X8 5309mhz (+47.5%)
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AMD X4 960T Zosma @ X6 4870mhz (+62.3%)
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post #3 of 11 (permalink) Old 02-10-2020, 03:51 PM
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pretty good mod and temps - those arctic fans are really good. I have them on my rads
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post #4 of 11 (permalink) Old 02-10-2020, 03:52 PM
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75c junction temperature, that is impressive. Good job.

I'm curious tho, why didn't you decide to put an AIO on the GPU? You would get better results and my guess is it would be easier to install.

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post #5 of 11 (permalink) Old 02-10-2020, 03:57 PM
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Quote: Originally Posted by Ha-Nocri View Post
75c junction temperature, that is impressive. Good job.

I'm curious tho, why didn't you decide to put an AIO on the GPU? You would get better results and my guess is it would be easier to install.

more expensive and makes your rig look like a disaster for temp differences that are negligible.

that was my reasoning, at least.

Intel i9 9900K Coffee Lake @ X8 5309mhz (+47.5%)
AMD FX-8320 Vishera @ X4 5022mhz (+43.5%)
Intel i5 4690K Haswell @ X4 5013mhz (+43.2%)
AMD X4 960T Zosma @ X6 4870mhz (+62.3%)
Intel i7 6700 Skylake @ X4 4709mhz (+38.5%)
Intel i5 6400 Skylake @ X4 4588mhz (+69.9%)
2 OP pls nerf
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Raijintek Morpheus II
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Fractal Design Meshify S2
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GPU
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RAM
Kingston 2GB DDR3 1333
Hard Drive
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Hard Drive
Western Digital Blue 2.5" 320GB
Power Supply
Silverstone SFX-L Gold 500w
Cooling
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post #6 of 11 (permalink) Old 02-10-2020, 04:18 PM - Thread Starter
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Amen.
Only air - all day long, it wouldn't be fun for me to not do this mods. Now it's like a hobby. :-)

Case: Jonsbo RM4 mod PSU: Corsair RM750 CPU: Intel Core i7-4790k RAM: Crucial Ballistix Tactical LP 4x4GB GPU: Sapphire 5700XT + Raijintech Morpheus mod
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post #7 of 11 (permalink) Old 02-10-2020, 04:59 PM
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I am trying to do something similar. I separated the stock plate from the cooler and plan to install an AIO. I have to make some cuts to fir the AIO.

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post #8 of 11 (permalink) Old 02-18-2020, 04:55 AM
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Hi Guys,
I bought a 5700 XT recently, the junction temperature is the thing that I'm concerned about. I hit 110*C quite quickly, while maintaining the GPU temp at about 60-65 on stock cooling. I replaced the thermal paste yesterday, nothing has changed. What temps did u have on stock cooling? Is there any way to lower the hot spot temperature by mounting the cooler in a certain manner?

Last edited by 1gordon1; 02-18-2020 at 05:01 AM.
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post #9 of 11 (permalink) Old 02-18-2020, 05:30 AM
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Which 5700 XT did you get? Reference or some AIB model?

AMD
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MSI B450 Tomahawk MAX
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Gigabyte 5700 XT Gaming OC (2070/940 MHz)
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Hard Drive
Samsung 970 EVO Plus 1TB
Hard Drive
Samsung 860 EVO 1TB
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Corsair H115i PLATINUM
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post #10 of 11 (permalink) Old 02-18-2020, 05:53 AM
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the backplate at picss is from reference

Ryzen 7 3700X,Asus Crosshair VI Hero,16Gb G.Skill FlareX @3800C15,5700 XT Reference,Samsung970 Evo 250Gb,Seagate 2Tb,Enermax Galaxy 850,Custom Loop.
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