Anyone use computer power supplies?

[NTJP]

Found this on diyledexpress - http://www.diyledexpress.com/index.php?main_page=product_info&cPath=20_121&products_id=757

It is a computer power supply.  Had not thought of using computer power supply.  Has anyone used this one or another computer power supply.  Could get a 400 watt that would be small and work great in a small cable box.  The box is 8.5 inches wide.

[babybear]

My hesitation would be not being able to adjust the voltage. With nodes, 12volts or higher you get a red glow. and depending on wire size  meaning length and gauge you can get flickering. I like to run my lights around 10.9 to 11.1 volts.   

[NTJP]

That brings up interesting point.  Looking at this - http://www.diyledexpress.com/index.php?main_page=product_info&cPath=20_77&products_id=58
It will give me a working 280 watts.  Being new to pixel I am trying to figure out what I need.  I would need 5 of these to power the house nodes and buy a couple extra just to have in=case needed.  Running at 30 % would have no issues.  Which works out great for the F48 running 5 4-  channel boards.  So may just go this way.....

[jnealand]

When using a computer power supply also be sure to look at the specs on the label.   A 400w power supply might be 200w of 12v and 200w of 4v.  There is also 3.3v output.  The labels show the total output of all voltages.  You want to check on the voltage that you will be needing.  I don't remember all the details but there is also an issue as to whether the supply is single rail or dual rail.  I used them when I was using all my old Lynx smart string hubs.

[craftylag]

I ran four matrix panels with alphapix16 controller using 16 outputs at 50% with 5 volt w2811 pixels had no issues at all. The reason I ran at 50% was because lights were too bright. Had fan running continuous. Planning  to use more next year.

[scuba]

I run nearly all 12 of my controllers on computer P.S.'s. All are using 5V.  Very cheap, stable and reliable. There are a few tricks that are covered in most DIY sites.  BTW: the label will show the wattage for each voltage.