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Variometer

DIN rail PSU for SBC and HDD

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Folks, has anyone tried using one of those 5V DIN rail-mounted PSUs (eg Mean Well HDR-XX series) for powering the boards and HDDs? My "server" stack has grown to 10+ boards (many thanks to this forum!) and I am thinking of getting a couple of powerful industry-grade 5V units, but not sure if they provide computer-grade output, especially 12V for HDDs.

 

Any thoughts?

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Mean Well has a specsheets on it site, there should be min/max ratings, you can compare it to ATX standard and have an idea about it's "grade".
I also used 5v 75w meanwell (i didn't remember for now which series, LRS or something like that) and it work good for OPi PC Plus + NanoPi M4 and NPi neo core2, i didn't have any issue with that.
Unfortunately for now I'm just use NPi M4 sata hat with 12V/2A power supply, so I can't tell how it will work in your case, but meanwell produce good power supplies so it should be fine.

Sent from my Redmi 4X using Tapatalk

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You'll probably need something like a buck converter. 12V HDD's can get power hungry when they spin-up. Up to 15W each.

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