On Wednesday, July 06, 2011 05:23:32 AM Ljubomir Ljubojevic wrote: > Lamar Owen wrote: > > We have a number of their -48V input supplies in use. No, the 500W version in 12V input is not cheap. > > There are smaller and cheaper 12V solutions Like the picoPSU's: > http://www.mini-box.com/picoPSU-160-XT Sure; we have a couple of small units like that for some solar-powered things we're doing here; however, the max I've seen for those plug-in type small ATX/ITX power supplies has been in the ~200W range (the specific one you linked to is only 160W), and my reply was specifically directed at the idea that lower than 48 VDC input was limited in power handling...... PowerStream has a 500W 12VDC input unit, which is quite a bit more power than I've seen in the mini-ITX plugin supply categories.