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 Post subject: No Moving Parts Rig by rkay
PostPosted: Thu Oct 14, 2010 3:19 pm 
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Hi guys!

This is my first post here and I thought you might be interested in the project I have just finished.

My previous PC was completely fanless and water-cooled. So far so good, but since I don’t need a gaming PC I wanted to build something really puristic without all the annoying water cooling equipment.

The initial idea came by reading the i5-670 CPU review here and I really liked the integrated GPU concept because you can get rid of a graphic card.

No graphic card means much less power consumption, heat and noise (in the case of an actively cooled card).

So I built everything around an i5-660 CPU (TDP 73W only, i.e. 10W less than an i5-670).

No fans also meant that all components would have to be exposed to as much fresh air as possible. So I thought a (Mini-ITX) test bench would work much better than any PC case (=> Lian Li PC-Q06, with custom water jet cut side panels to get some air to the PSU).

The passive PSU I have used is the Seasonic X-400FL (again due to the positive review here).

Mainboard: Gigabyte GA-H55N-USB3, equipped with a Zalman ZM-NB32K chipset cooler being the only one that fits under the CPU heatsink (the original cooler did not look very effective to me…).

CPU heatsink: In a passive set-up you need to get enough air through the heatsink fins, i.e. you have to choose one with as much space between the fins as possible. The best and largest one I have found was the silentmaxx TwinBlock.

This No Moving Parts system reaches the following equilibrium temperatures (i.e. no temp change even if you wait forever) after about 45 minutes at a room temperature of 23C with Prime95 running on all four cores and with an 1080p HD video running at the same time:

CPU cores / CPU sensor / chipset: 68C / 58C / 60C

The equilibrium temps under normal conditions (watching movies, internet etc.) at 23C room temperature:

CPU cores / CPU sensor / chipset: 38C / 27C / 48C

Here are some pics:


Image

Image

Image

A gallery with larger pics can be found here:

http://s179.photobucket.com/albums/w292 ... FanlessPC/

So, whatcha think? :)

Cheers,
rkay


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Fri Oct 15, 2010 5:23 pm 
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rkay wrote:
So, whatcha think? :)

HUGE ?

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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Fri Oct 15, 2010 7:03 pm 
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10 out of 10 for silence.
1 out of 10 for practicality.


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sat Oct 16, 2010 1:24 am 
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I don't know, having a completely silent no moving parts PC, sounds "practical" to me. :)


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sat Oct 16, 2010 2:34 am 
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I probably would have put that into a case of some sort, and maybe tried for a PICO power supply.

Mainly because if you drop anything, or something magically goes flying across the room, or if anything just the right (or wrong) size comes into contact with that motherboard on top, you've got a serious problem.

I know it's out in the open to make use of the natural airflow of the room, but I wouldn't risk the safety of the components for that.

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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sat Oct 16, 2010 3:27 am 
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NoizEnvader wrote:
I don't know, having a completely silent no moving parts PC, sounds "practical" to me. :)


Dust, children, pets... depends on your circumstances I suppose.


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sun Oct 17, 2010 3:56 am 
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frenchie wrote:
rkay wrote:
So, whatcha think? :)

HUGE ?


Well, if you don't wanna worry about the temps in a completely fanless system...


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sun Oct 17, 2010 4:00 am 
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bonestonne wrote:
I probably would have put that into a case of some sort, and maybe tried for a PICO power supply.


Case + no fans = trouble :D

You just have to be a bit careful and place it accordingly.


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sun Oct 17, 2010 4:02 am 
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BTW: The hard disk is an SSD of course (Corsair Force Series F120 SSD MLC).


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sun Oct 17, 2010 5:25 am 
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I like it.

How large is the TwinBlock compared to, say, two Ninjas?

Your CPU temperatures are surprising - that must be a power-hungry CPU, but your heatsink can handle it. My fanless, caseless systems has a Ninja on the CPU (undervolted X2), and never gets above 40°C. If I could, I would put equal-sized heatsinks on my CPU and northbridge, because they probably dissipate the same amount of heat.


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sun Oct 17, 2010 1:00 pm 
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Brian wrote:
I like it.

How large is the TwinBlock compared to, say, two Ninjas?

Your CPU temperatures are surprising - that must be a power-hungry CPU, but your heatsink can handle it. My fanless, caseless systems has a Ninja on the CPU (undervolted X2), and never gets above 40°C. If I could, I would put equal-sized heatsinks on my CPU and northbridge, because they probably dissipate the same amount of heat.


The individual towers are actually sized almost identical to a Ninja. So it's like having to Ninjas put together and attached to the CPU. It's mainly the space between the fins that makes the difference (especially temperature-wise...). The CPU is very effective with just 73W power dissipation compared to 130W of the high performance versions of the Intel i7 processors but I do not need that much power anyway. As I said, this is not a gaming PC. The less heat you have to lead away the better.

I've been sitting in a small room at 25C for a about 3hrs now. It's cold outside, so I just open the window from time to time. No air condition. Watching movies, surfing the web etc. and I have a CPU temperature of 26C (cores at 36C) and a chipset temp of 48C. I am really starting to like this thing :D


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Wed Oct 20, 2010 2:38 pm 
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Yeah, I'd be a little worried about dropping something on it. If you're too worried about the aiflow, you could just get some screen door mesh, put it on some wood or metal frames, or get some pre-constructed window screens of a good size, and put those around it. Is there an SSD or some kind of hard drive in there?


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Thu Oct 21, 2010 4:34 am 
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Yup, see above (Corsair Force Series F120 SSD MLC). It is located just under the mainboard in a "Kingston SSD DriveCarrier".


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Fri Nov 05, 2010 4:29 am 
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It's cool. However, my X-400 exhibits significant buzz noise (louder than a 800rpm fan) sometimes, e.g. encounter once (last for hours) every a couple of days, even if the system is turned off. Have you ever experience similar issue?

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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sun Nov 07, 2010 3:23 pm 
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No, i haven't heard anything from my PSU so far. However, if that should happen i would probably get rid of it and use a PicoPSU or something similar since the system doesn't need much power...


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Fri Jan 28, 2011 6:01 pm 
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netmask254 wrote:
It's cool. However, my X-400 exhibits significant buzz noise (louder than a 800rpm fan) sometimes, e.g. encounter once (last for hours) every a couple of days, even if the system is turned off. Have you ever experience similar issue?


My Vertex Turbo will buzz while I load a games from it.

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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Fri Jan 28, 2011 8:43 pm 
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rkay wrote:
CPU heatsink: In a passive set-up you need to get enough air through the heatsink fins, i.e. you have to choose one with as much space between the fins as possible. The best and largest one I have found was the silentmaxx TwinBlock.
Where can you buy that heat sink?

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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Wed Feb 02, 2011 7:13 am 
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The U.S. distributor is http://www.budeso.com/ according to the silentmaxx homepage.

I would actually write them an e-mail (info@silentmaxx.de). I guess you can order directly from them too.


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Wed Feb 02, 2011 9:14 am 
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That's what I call overkill! :mrgreen:
I'd still install everything inside that case, even with the side panels off. Placing the motherboard on its side will let the hot air go up, potentially improving your temperatures.
BTW, any reason for you not to consider the de-facto standard for fanless computers, the Scythe Orochi?

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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Fri Feb 04, 2011 12:40 am 
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By looking at the design of the Orochi you can see it was built to be used with a fan.


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Fri Feb 04, 2011 3:43 pm 
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Hi how much did this all cost?


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Mon Feb 07, 2011 4:58 am 
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About $1,100


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Mon Feb 07, 2011 2:55 pm 
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rkay wrote:
By looking at the design of the Orochi you can see it was built to be used with a fan.

Well, not really actually :|
Huge mass + large fin spacing = designed for fanless use/extremely low airflow conditions, just like this enormous Silentmaxx. :wink:

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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Mon Feb 07, 2011 8:36 pm 
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judge56988 wrote:
10 out of 10 for silence.
1 out of 10 for practicality.


How about something like this:
LIAN LI PC-T1R Red Aluminum Mini-ITX
http://www.newegg.com/Product/Product.a ... 6811112281

With a Scythe Orochi CPU cooler on it?


You do not have the required permissions to view the files attached to this post.

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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Wed Feb 09, 2011 8:25 am 
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Parappaman wrote:
rkay wrote:
By looking at the design of the Orochi you can see it was built to be used with a fan.

Well, not really actually :|
Huge mass + large fin spacing = designed for fanless use/extremely low airflow conditions, just like this enormous Silentmaxx. :wink:


I don't know how the fin spacing compares between the two (?) but having two SEPARATE blocks certainly works better if you don't use a fan. However, fin spacing is the key.


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sat Feb 12, 2011 3:40 pm 
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That does look pretty cool what you built there. Concerning safety I guess it would be no problem to put that in a desk or a box.

That cooler is specifically made for completely passive systems, silentmaxx actually sells no moving parts gamer systems, although they do it with their own fanless PSU and pretty standard looking cases: http://www.silentmaxx.de/produkte/zu-ha ... config_pi3[category]=21

I do not know how cool or stable these systems are, though.


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Sat Feb 26, 2011 12:36 pm 
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I like it. For protection, maybe suspended in a basket made of some copper grounding wire. A hamster or bird cage might be too off the wall, unless they were ultra Victorian.

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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Wed Feb 08, 2012 2:52 am 
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rkay, I just wander how is your PC fills after more than a year of continuous running? Were there any troubles with its parts? In summer heat? Maybe some replacements/additions, why?


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 Post subject: Re: No Moving Parts Rig by rkay
PostPosted: Wed Feb 08, 2012 8:46 am 
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netmask254 wrote:
It's cool. However, my X-400 exhibits significant buzz noise (louder than a 800rpm fan) sometimes, e.g. encounter once (last for hours) every a couple of days, even if the system is turned off. Have you ever experience similar issue?

This sounds to me like the effect of extraneous "junk" on the AC line. A PSU that is turned off should make no noise. Consider what else you have plugged in and working on the same AC circuit. AC signal quality can vary a lot, from house to house, city to city, etc. You might try some kind of AC filter or line conditioner -- or even just a different AC outlet.

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