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Fan replacement for Akitio Node?  

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chocomonsters
(@chocomonsters)
Eminent Member
Joined: 4 years ago
 

@markbam.  Yes, all PSU requires "on" signal from motherboard to turn-on as safety measure.  I did not use paper clip to jump ("on" Green wire to "ground" Black wire).  I am using jumper tool similar to this one from Amazon.  

https://www.amazon.com/gp/product/B00NKQ4F98/

You can use paper clip but you need to wrap it well in electrical tape.

@Anima.  Yes, I replaced the PSU with Corsair SF450.  It is 80+ Gold (but meets Platinum level on reviews) so much more efficient in conversion and less heat generation.  The fan has zero RPM mode so it is not even running most of time except under load (heavy 3D or benchmarking).  So basically it is silent most of time.  

Since my graphic card only runs fan under load, only sound is coming from Akitio front fan (which I am waiting for Noctua fan replacement from Amazon).

 

MacBook Pro 15" 2018
MSI Ge Force RTX 2080
Akitio Node
Windows 10 1903 / Akitio Node Lite / Samsung SSD 970 EVO


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Anima
(@anima)
Active Member
Joined: 4 years ago
 

@Jonwatso It's really silent, nearly inaudible. Only with your ear pressed against it can you hear some faint nothingness

@nperei Wouldn't use either, both are noisy. But whichever you use I would connect it directly to the GPU so it has variable speed depending on the load.

@chocomonsters Nice that PSU fits in. About that 2 pin to 3 pin adapter you might want to have a look at that, judging from the link that might be the reverse of what you need

This might also be of interest.

https://egpu.io/forums/builds/2015-15-macbook-pro-m370x-akitio-node-evga-980ti-win10-plug-and-play/#post-9441

2015 15" MacBook Pro (R9 M370X) [4th,4C,H] + GTX 980 Ti @ 16Gbps-TB2>TB3 (AKiTiO Node) + macOS 10.12.4 & Win10 [build link]  

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chocomonsters
(@chocomonsters)
Eminent Member
Joined: 4 years ago
 

@anima   Thanks for catching that.  Correct one from that vendor is below link for 3 to 2 pin converter.

https://www.amazon.com/gp/product/B002FR84FY

MacBook Pro 15" 2018
MSI Ge Force RTX 2080
Akitio Node
Windows 10 1903 / Akitio Node Lite / Samsung SSD 970 EVO


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DANgerous25
(@danfalconar)
Estimable Member
Joined: 4 years ago
 
Posted by: chocomonsters

 

Ok.  It works great.  Fan cutout on Akitio Node and fan on Corsair PSU are both standard so they match.  

Unless I am running game, neither my GPU fan (MSI GTX 1070 gaming X) or Corsair PSU fan run.  Only fan running is Akitio Node front fan, which isn't too bad.  I will replace that with standard Noctua fan later.

Costs $ but silence is worth more to me....

EDIT:

These are modular cables.  It only ships with 2 PCIe cables so you will need to obtain one more if your GPU needs two cables.

   

Thanks for the inspiring post! I've never messed around with the PSU before, can you help me to describe the installation procedure? Are there any special tools required, or extra cables, or special procedures, or does it just slot in?

2017 27" iMac Pro (Vega64) [7th,10C,W] + GTX 1080 Ti @ 32Gbps-TB3 (AKiTiO Node) + macOS 10.13.2 [build link]  

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chocomonsters
(@chocomonsters)
Eminent Member
Joined: 4 years ago
 

@DANgerous25.  Nothing to install really.  SFX format PSU is standard size that fits in Akitio Node.  Unscrew and PSU slides out.  No special tools needed.  No need to open up PSU.

I chose Corsair SF450 as it was modular PSU that can accommodate 3 PCIe cables (one PCIe for Akitio Node and 2 PCIe for MSI GTX1070 gaming X).  It is rated 80 plus Gold so it runs cool enough that PSU fan doesn't kick in ever.  It only came on once during stress benchmarking.  This PSU comes with 2 PCIe cables so I requested and received 3rd PCIe cable from Corsair.  All PSU designed to use with motherboard will need "power-on" jumper with paper clip or pre-made jumper tool from Amazon.  Just attach jumper tool to 24 ATX cable to power on PSU.  This simulate power on-signal from computer motherboard and turn PSU on.

I also replaced stock Sunon fan with Noctua NF-S12A FLX fan yesterday.  It is really quiet (17.8 dB at 63 CFM air flow with max speed setting) vs Sunon fan (29.6 dB at 55 CFM air flow) and moves more air than stock fan in Akitio Node.  This fan can run at slower speed but I dont find it necessary.  You do need a 3 pin to 2 pin fan adapter cable.

These are what I used.

Corsair SF450 PSU         www.amazon.com/gp/product/B01CGGOXWQ

PSU Bridge Tool               www.amazon.com/gp/product/B00NKQ4F98

3 to 2 pin fan adapter      www.amazon.com/gp/product/B002FR84FY

Noctua NF-S12A FLX      www.amazon.com/gp/product/B00BEZKX8Y

Corsair CP-8920143 PCIe spare cable from Corsair

 

 

 

MacBook Pro 15" 2018
MSI Ge Force RTX 2080
Akitio Node
Windows 10 1903 / Akitio Node Lite / Samsung SSD 970 EVO


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DANgerous25
(@danfalconar)
Estimable Member
Joined: 4 years ago
 

Really helpful post, chocomonsters. I'm going to try to replicate this setup. 

Thank you! The stock psu is also driving me nuts. 

2017 27" iMac Pro (Vega64) [7th,10C,W] + GTX 1080 Ti @ 32Gbps-TB3 (AKiTiO Node) + macOS 10.13.2 [build link]  

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jonwatso
(@jonwatso)
Trusted Member
Joined: 4 years ago
 

After seeing the Akitio Node photos from the NAB Show I decided to go with a Purple SP120 Corsair fan (would've made more sense to get the AF version, but this one was cheap.). Even though this isn't marketed as a quiet fan, its quieter than the GPU fan. Quite like the look of the purple glow. Still waiting on the PSU fan. 

 

2017 15" MacBook Pro (RP560) [7th,4C,H] + RX Vega 64@ 32Gbps-TB3 (Razer Core) + macOS 10.15.2 & Win10 [build link]  

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igerard
(@igerard)
Estimable Member
Joined: 4 years ago
 

It would be very interesting to post details on the product and the process to put thm in place when it is not straitforward.

Waiting for my Node and the 980 hybrid... they are in route 🙂

MBP 2018, Touch Bar, i7 2.6 GHz, 32 GB RAM, 1T SSD, Radeon 560X... very nice!
eGPU : Akitio Node + RX 580 + GTX 980 Ti + Vega64


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jonwatso
(@jonwatso)
Trusted Member
Joined: 4 years ago
 
Posted by: igerard

 

It would be very interesting to post details on the product and the process to put thm in place when it is not straitforward.

Waiting for my Node and the 980 hybrid... they are in route 🙂

   

I am going to post a quick tutorial on how to replace the fan / PSU fan once I get all the bits and bobs. Super easy to replace the front fan. By the looks of it Akitio designed it to be replaced as it just slides out (Much like the Power Mac G4/5 Fans). You shouldn't run into any issues with your 980 Hybrid 😊

2017 15" MacBook Pro (RP560) [7th,4C,H] + RX Vega 64@ 32Gbps-TB3 (Razer Core) + macOS 10.15.2 & Win10 [build link]  

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Shion1048
(@shion1048)
Active Member
Joined: 3 years ago
 

Hello.

I am Japanese. Looking at this wonderful forum, we successfully customized eGPU and front fans.

Thank you very much!

 

 

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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