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 Post subject: Is a PicoPSU good enough?
PostPosted: Fri Apr 06, 2012 2:13 pm 
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Joined: Tue Sep 01, 2009 2:54 am
Posts: 19
Location: UK
I am looking to do a build which will include a Ivy Bridge processor and probably a mini-ITX Z77 board. No overclocking will be done.

What I am looking at powering:

- CPU (77TDP)
- Motherboard
- 2x DDR3 Dimms
- 1x 2.5" SSD
- 1x Fan

Given that the 160W version of the PicoPSU only has 8A on the 12V rail (so 96W) do you think I have enough? I want my machine to be prime stable.

How would I get 160W to the power supply also? I can't find any bricks anywhere? I've heard some talk about modding a DA-2 brick but I haven't seen any instructions/pictures how to do so.

Thanks.


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 Post subject: Re: Is a PicoPSU good enough?
PostPosted: Sat Apr 07, 2012 4:04 am 
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Joined: Wed Mar 30, 2011 1:46 am
Posts: 89
Location: Australia
I use a 150W brick with the 160W Picopsu and it powers an Asus ITX board, 2500K, SSD, DVD drive, 4GB RAM and one 140mm fan with no dramas at all. Prime stable for 24 hours.


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 Post subject: Re: Is a PicoPSU good enough?
PostPosted: Sat Apr 07, 2012 6:20 am 
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Joined: Tue Sep 01, 2009 2:54 am
Posts: 19
Location: UK
That's interesting because that CPU is 95W TDP!


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 Post subject: Re: Is a PicoPSU good enough?
PostPosted: Sat Apr 07, 2012 7:33 am 
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Joined: Thu Feb 13, 2003 6:53 am
Posts: 1538
Location: Sweden
In reality it's nowhere near 95W though. And even if it was, a picoPSU would probably have no problem with it. With some small modifications and a beefy brick you could probably use a picoPSU to power the system in the first post, and add a discrete graphics card as well.

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Main: ASRock B85M-ITX | i3-4330 | 16GB DDR3 | Intel 730 240GB | HDPLEX H1-S | picoPSU | No moving parts | Idle 13.9W
HTPC: ASRock H81M-ITX | Pentium G3420 | 4GB DDR3 | Intel 520 120GB | HDPLEX H1-S | picoPSU | No moving parts | Idle 11.2W
Gaming: Intel DH77EB | i5-3570K | GTX 750 Ti | 16GB DDR3 | Intel 520 120GB | TJ08-E | G-360 360W
Server: Intel DH77DF | i3-2100T | 4TB+3x3TB | picoPSU | Idle 24W AC


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 Post subject: Re: Is a PicoPSU good enough?
PostPosted: Sat Apr 07, 2012 7:35 am 
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Joined: Tue Nov 02, 2004 12:22 pm
Posts: 1982
Location: Guatemala
If you want higher than the 150W brick, maybe go with the picoPSU-160-XT + 192W Adapter Power Kit

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 Post subject: Re: Is a PicoPSU good enough?
PostPosted: Sun Apr 08, 2012 6:08 am 
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Joined: Tue Sep 01, 2009 2:54 am
Posts: 19
Location: UK
Abula wrote:
If you want higher than the 150W brick, maybe go with the picoPSU-160-XT + 192W Adapter Power Kit


That 192W brick looks good but they are quite expensive in the UK so I was looking to see if there was a cheaper option.


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 Post subject: Re: Is a PicoPSU good enough?
PostPosted: Sun Apr 08, 2012 6:42 am 
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You mentioned Dell DA-2. It's easy to use if you have a little experience with soldering etc. If you cut the connector you will see three white wires (+12v) and three black (ground) and also two thinner ones (one blue and one red iirc). One of those is a trigger that needs to be connected to ground in order for the brick to be on. The other is reserved and not connected to anything. (edit: checked my DA-2, red is trigger, blue is reserved) So just group the white ones together to make the +12v wire, and all the others to make ground. Then connect that to the type of connector you intend to use. Always use a multimeter to check things before connecting it to the picoPSU.

_________________
Main: ASRock B85M-ITX | i3-4330 | 16GB DDR3 | Intel 730 240GB | HDPLEX H1-S | picoPSU | No moving parts | Idle 13.9W
HTPC: ASRock H81M-ITX | Pentium G3420 | 4GB DDR3 | Intel 520 120GB | HDPLEX H1-S | picoPSU | No moving parts | Idle 11.2W
Gaming: Intel DH77EB | i5-3570K | GTX 750 Ti | 16GB DDR3 | Intel 520 120GB | TJ08-E | G-360 360W
Server: Intel DH77DF | i3-2100T | 4TB+3x3TB | picoPSU | Idle 24W AC


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