Full passe / fanless >250W workstation: It's possible!!!

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Stefan1024
Posts: 23
Joined: Sat Apr 11, 2015 10:43 am

Full passe / fanless >250W workstation: It's possible!!!

Post by Stefan1024 » Sat Apr 11, 2015 11:20 am

Hi all

I made a full passive workstation / gaming rig by myself. It migth be a bit heavy (~30 kg) but it's totaly silense.

Hardware
CPU: i7 4790k
GPU: GTX 970
PSU: Seasonic Platinum-520 Fanless

2_ll.jpg
finished system.jpg
Because I already made a build log and I don't want to maintain two forums I will like you to the log:
http://linustechtips.com/main/topic/342 ... t-be-done/

Just thougth you migth be interested....
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useful_idiot
Posts: 51
Joined: Mon Sep 30, 2013 7:04 pm

Re: Full passe / fanless >250W workstation: It's possible!!!

Post by useful_idiot » Mon Apr 13, 2015 7:56 pm

I think its great but it seems like i'm the only one. Can you pop the top and post a few pics here? You gotta be registered at LTT to see those pics. Very interesting case tho, what the heck is going on inside it!

xan_user
*Lifetime Patron*
Posts: 2269
Joined: Sun May 21, 2006 9:09 am
Location: Northern California.

Re: Full passe / fanless >250W workstation: It's possible!!!

Post by xan_user » Mon Apr 13, 2015 10:00 pm

WELCOME TO SPCR!!!

whats ambient room temp?
whats the CPU/GPU/MOBO rise from idle to max load? -and how long to get there?
any coil whine? (like at 3 am)


running 24/7 what amount of month/years, without failure, would you consider it a complete success?

Stefan1024
Posts: 23
Joined: Sat Apr 11, 2015 10:43 am

Re: Full passe / fanless >250W workstation: It's possible!!!

Post by Stefan1024 » Tue Apr 14, 2015 6:09 am

useful_idiot wrote:I think its great but it seems like i'm the only one. Can you pop the top and post a few pics here? You gotta be registered at LTT to see those pics. Very interesting case tho, what the heck is going on inside it!
I'm limited to only 256 kByte for a picture in this forum. Therefore I have to downscale them a lot. Just make a account on LTT, it free and you don't get advertisements....

But here are a few if you can't wait ;)
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Stefan1024
Posts: 23
Joined: Sat Apr 11, 2015 10:43 am

Re: Full passe / fanless >250W workstation: It's possible!!!

Post by Stefan1024 » Tue Apr 14, 2015 6:19 am

xan_user wrote:WELCOME TO SPCR!!!

whats ambient room temp?
whats the CPU/GPU/MOBO rise from idle to max load? -and how long to get there?
any coil whine? (like at 3 am)


running 24/7 what amount of month/years, without failure, would you consider it a complete success?
It all in the build log on www.linustechtimps.com, please have a look there:

- Temps: room: ~23°C, CPU < 85°C, GPU < 80°C (no thermal limit); build log part 3 + 4
- coil whine: not anymore, can't hear it at > 0.5m, build log part 5

I expect the PC to run at least for 4 years. But I don't stress is 24/7 full load. It's not a bitcoin miner.
I use it about 12 hours a week at full load and ~35 hours a week at low load.

useful_idiot
Posts: 51
Joined: Mon Sep 30, 2013 7:04 pm

Re: Full passe / fanless >250W workstation: It's possible!!!

Post by useful_idiot » Sat Apr 18, 2015 1:32 pm

why do you have sound absorbing material if there are no moving parts?

Stefan1024
Posts: 23
Joined: Sat Apr 11, 2015 10:43 am

Re: Full passe / fanless >250W workstation: It's possible!!!

Post by Stefan1024 » Sat Apr 18, 2015 3:02 pm

useful_idiot wrote:why do you have sound absorbing material if there are no moving parts?
Only because it have no moving parts by desing, it doesn't have to be the reality. The coils on the MoBo are virbrating a liite bit and I can't reach them to mold them properly. But with the aborbing material I can't hear it anymore.

Zenphic
Friend of SPCR
Posts: 107
Joined: Sun Jan 20, 2008 12:54 pm
Location: Quebec, Canada

Re: Full passe / fanless >250W workstation: It's possible!!!

Post by Zenphic » Sun Apr 26, 2015 7:58 am

Stefan1024 wrote:
useful_idiot wrote:why do you have sound absorbing material if there are no moving parts?
Only because it have no moving parts by desing, it doesn't have to be the reality. The coils on the MoBo are virbrating a liite bit and I can't reach them to mold them properly. But with the aborbing material I can't hear it anymore.
Coil whine, a silent enthusiasts worse enemy!

Superb build!

Stefan1024
Posts: 23
Joined: Sat Apr 11, 2015 10:43 am

Re: Full passe / fanless >250W workstation: It's possible!!!

Post by Stefan1024 » Sun Apr 26, 2015 9:22 am

Zenphic wrote: Coil whine, a silent enthusiasts worse enemy!

Superb build!
Thx ;)

Yes coil whine is terrible, it really is.

By thw way a new build is under construction where I push the limit of a passive system with dual GTX 980. I allready ordered 38 kg of heat sinks! Have a look here:
http://linustechtips.com/main/topic/351 ... s-ordered/
3_low.jpg
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audigy32
Posts: 20
Joined: Fri Dec 30, 2011 3:42 am

Re: Full passe / fanless >250W workstation: It's possible!!!

Post by audigy32 » Sun Apr 26, 2015 9:32 am

Felicitari Stefan, credeam ca sunt singur . Pana si aliasul l-am ales farazgomot.
Scapi de coil whine dezactivand Speed step si C states din bios

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