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Mini-Box picoPSU-80 80 watt PSU $20 w/FSSS @ Amazon

jkilez 977 January 6, 2013 at 02:41 PM in Computers (3) More Amazon Deals
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Last Edited by jkilez January 6, 2013 at 02:58 PM
Mini-Box picoPSU-80 80 watt power supply for $20 shipped at Amazon: http://www.amazon.com/gp/product/B005TWE5E6

Normally $25 + Shipping at mini-box.com. Requires an external AC adapter.

This is best power supply for low power mini-ITX rigs. Extremely energy efficient with no fans to add noise. It only has a couple of power connectors so it really is just for an HTPC, firewall, or small NAS set-up.

Specs:
- Power connectors: One 4-pin molex, one SATA, one 20 pin ATX power
- Low heat dissipation
- High efficiency at light loads (Intel Atom)
- 96% efficiency
- 80 watts, 12V input
- Configurable wire harness
- P4 Mini cable can be used for onboard P4 connection
- OSCON / POSCAP capacitors, Japan

The AC adapter needed is similar in specs to most LCD power supplies. If you are lucky you have an old one already from an ancient monitor. If not, you can get this 12V 6A unit [amazon.com] for only $8.25 w/FSSS. Combine the two and you have a 80+ Titanium power supply for less than $30 shipped!

44 Comments

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#16
I have an old laptop brick. 18.5v, 3.5a. Would this be a bad idea to use, or might it work?
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#17
Anyone use one of these to replace the loud power supply in a HP Microserver N40L?
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#18
Quote from Tapakidney1 View Post :
I have an old laptop brick. 18.5v, 3.5a. Would this be a bad idea to use, or might it work?
This model only works with a 12V source, so no, it would not work. Mini-Box does make PicoPSU units that can deal with different input voltages, but they are more expensive, natch ($55 + FS for 12V-25V range [mini-box.com]).
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#19
My i3 2120, with 2x4gb ddr3 1.5V 1333, and 64gb M4 ssd with foxconn h61 board uses 31 watt on idle o_o.
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#20
Quote from luvu43v3r View Post :
you forgot the GPU part which often takes 15-20W at max. All modern CPU should be called APU or so since it has both CPU+GPU now. To test the power draw part for GPU , one should use some program like bitcoin miner where it utilizes upto 95% GPU instead of games, movies ; use GPU-Z to see the %.
Furmark loads the GPU more than pretty much anything. My numbers had Prime95 set to lower priority to allow Furmark to load the GPU side to its maximum. If they are both set to normal, the system load drops by 2W.

My numbers loaded the primary system as high as it can. I did not run SSD tests at the same time, which would add another 2W or so.
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#21
I've been using a PicoPSU-90 (at least that is what my email says, I see that doesn't exist on minibox's site) + 60W AC power on a Intel Core 2 Duo E5300 system for over 3 years now as a HTPC solution and it has been working fine.

Looks like I paid $84 (after bing cashback) for the PicoPSU + 60W + M350 case.
Last edited by wighty January 6, 2013 at 09:47 PM
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#22
What about for motherboards without the P4 connector but need the full 24 pin power supply connector? I've got a Foxconn ITX motherboard that I tried to power up with a picoPSU-80 but it wouldn't work.


Quote from K6-2 View Post :
this is a good item, but please note it lacks the 4-pin P4 connector which many motherboards require.

P4 cables are available from mini-box for $1.25 shipped, or you could make up your own.

-------------------------
Attachment 1707802
4-Pin P4 Mini Power Cable for PicoPSU-80
(- 4 in. / 101 mm. in length - NOTE: Works only with PicoPSU-80)
Link [mini-box.com]
------------------------------
There is a shorter cable, but I'm not sure that it works with the PicoPSU-80.
Attachment 1707800
4-Pin P4 Short Power Cable (48mm = ~1.9") Link [mini-box.com]
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#23
should/will this work with a ASRock E350M1 AMD E-350

Thanks
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#24
What is 80+ Titanium? =P

No doubt these can be efficient, but it strictly depends on the kind of PSU brick you couple it with. I'd doubt the linked generic one is all that efficient. It's also only 6A so you're looking at less than 80W peak. Still plenty for an entry level core i3, let alone anything slower. As long as there isn't a graphics card involved or more than a couple drives.
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#25
Quote from kwik View Post :
I have the 160W version of this. It's amazing (and probably overkill for my little ITX system).

I use a Dell DA-2 12V 18A (216W) power supply brick modded with a barrel plug to fit into the pico PSU.
i am interested in the PicoPSU 160w version also. I am planning on using it with an i5-2500k underclocked. Besides the Dell DA-2, do you have any recs on any other power adapters? Or how to have an easy mod for the barrel plug?
edit: i found a seller selling the PicoPSU 160w with a 190w barrel type, or I can pay an extra $2 for a 4-pin DIN. what would you recommend?
Last edited by AkumaX January 7, 2013 at 12:05 AM
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#26
Quote from Probedude View Post :
What about for motherboards without the P4 connector but need the full 24 pin power supply connector? I've got a Foxconn ITX motherboard that I tried to power up with a picoPSU-80 but it wouldn't work.
Just posted a long answer, then dumped it.

You sure the PSU is good?
Sure the m/b is good?
Last edited by K6-2 January 7, 2013 at 12:20 AM
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#27
Quote from Probedude View Post :
What about for motherboards without the P4 connector but need the full 24 pin power supply connector? I've got a Foxconn ITX motherboard that I tried to power up with a picoPSU-80 but it wouldn't work.
Are you sure it was the motherboard and not a more energy-hungry CPU? Did you have a graphics card also or was this just APU (cpu/gpu)? If the board is having to deal with 64 watts or so being pulled (I think) it needs the P4 connector.

Your Foxconn motherboard, it doesn't have a P4 connector on it? Are you sure?

I just looked up @ foxconn's website and the only mini itx boards without P4 I saw were the 45CSX and 45CS (embedded ATOM chips).

Anyways if for whatever reason your foxconn board is just a stickler and *has* to have the pins filled then they do make a 20 to 24 pin adapter. It won't provide any extra power but if that is a weird bird of a motherboard then it may work for you.
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#28
Quote from AkumaX View Post :
i am interested in the PicoPSU 160w version also. I am planning on using it with an i5-2500k underclocked. Besides the Dell DA-2, do you have any recs on any other power adapters? Or how to have an easy mod for the barrel plug?
edit: i found a seller selling the PicoPSU 160w with a 190w barrel type, or I can pay an extra $2 for a 4-pin DIN. what would you recommend?
I went with the DA-2 for two reasons:

1.) Namely, that I had it sitting in my spare parts bin so it was free.

2.) Almost all of the 190w models have a fan that kicks on under load. There was one that didn't, but again since I had a power brick that would work with little effort I went that route.

As far as the DA2 mod goes. It's pretty easy *if* you know how to solder.
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#29
@wighty picoPSU-90 exists and is here. [mini-box.com] Smilie
· The picoPSU-90 includes the 4-pin P4 connector.
· The power specs for the 80 are almost identical to the 90 (I pulled the picoPSU-80 values in the table below from the picoPSU-90 manual by mistake and only had to change the value in the note about combined max power output from 90 to 95W to make everything agree with the 80W manual)
· The picoPSU-80 is a more recent design and is a hair more efficient.
---------------
PicoPSU-80 specs are in the manual.(pdf, 123KB) [mini-box.com]
  • Note that 12V regulation is dependent upon the power source!
Volts (V) Max Load (A) Peak Load (A) Regulation %
5V 6A* 7A +/-1.5%
5VSB 1.5A 2A +/-1.5%
3.3V 5A* 7A +/-1.5%
-12V 0.05A 0.1A +/-5%
12V 4A 7A Switched input
"*At max load, forced air ventilation is required.
·For fanless or improper ventilation operation de-rate the output of the 3.3 and 5V rails until PSU temperature falls below 65C.
·Peak load should not exceed 60 seconds.
·Combined max power output should not exceed more than 95watts."

Input Requirements:
·12V regulated, min=1A, max=10A (load dependent).
·Over-voltage shutdown will occur at ~13-13.5V.

Size: 44.5mm(L) * 20mm(W) * 30mm (H) (1U compliant)

HTH
Last edited by K6-2 January 7, 2013 at 09:12 AM
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#30
Quote from 1111111111 View Post :
Anyone know the efficiency of the linked AC adapter? Remember, you're going to have losses with the AC adapter. If the AC adapter is 90% efficient then the combo will have a combined efficiency of 86.4% (.96x.90). Not bad for a low output power supply, but hardly 80+ Titanium...
I do not know the specs of the linked AC adapter, but you are correct about the efficiency math. SilentPCreview.com measured the efficiency of the PicoPSU with a couple of different power bricks and contrasted that with some 80+ PSUs. Here is an excerpt from that review of the PicoPSU-120 [silentpcreview.com]:

Efficiency Comparison: picoPSU vs. Past Efficiency Champs
Target Output Power 40W 65W 90W Peak EfficiencyLoad @ Peak
picoPSU + 80W power brick83.6%84.8%84.6%84.8%65W
picoPSU + 120W power brick85.6%87.1%87.1%87.1%65~90W
Seasonic SS-300SFD 80 Plus81.5%83.6% 84.6%85.2%
Seasonic 400HT Active PFC F3 80 Plus76.6%81.5%82.8%85.3%150~200W
FSP Zen FSP300-60GNF76.6%80.4%83.0%84.6%150~200W
Silentmaxx Fanless 400 Watt MX460-PFL0170.6%76.6%79.6%84.1%200W

The PicoPSU-80 should be slightly more efficient at the low loads, but most likely not at a Titanium level. The key thing to notice, however, is that even 80+ PSUs will have lower efficiency ratings at very low wattage. If your system is running at between 20-30W, the big PSUs will not be at peak.
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