Question About PSU"s



  • Since I'm doing more with my raspberry pi and getting other things to work (i.e analog sticks for the psx) and now I'm going to get a new power supply for it because right now I'm using a 5.2 1 A 100-240 V 0.25 Acpower supply for it. The lighting bolt doesn't come on unless I plug in the keyboard and other stuff to it. Anyways because I was running out of space on my sd card I thought I could use my spare Western digital external hard drive. The one I keep music on and stuff so I plug it in and my pi installs recalbox on it since it doesn't have to format it. Well when I do it I get the lighting bolt all the time so I know I don't have enough power going it to. So I thought of buying a new power supply and I was wondering if I picked out a good one is this Brand: NorthPada Input: AC 100-240V 0.3A 50/60Hz, Output: DC 5V 3000mA/3A. I also want to know with the one I picked out will I be able to plug my external hard drive into it with out the lighting bolt coming on.



  • You don't need a power supply, you need a self powdered USB hub.


  • Moderator
    Team
    Moderator
    Translator

    @realazyria for the Pi 3 you need at least 2,5 A... just 1 A will get you into big troubles! But consoder also a powered usb hub if you are connectig too much power hungry stuff to the usb ports.



  • @paradadf i know that, but i don't plug pretty much anything into it. only if i have like a keyboard for 5 mins. but right now i only want to plug in my wd external hard drive. i just wanted to know if i will have enough power with the new power supply i just got the NorthPada one. its the only thing id have plugged into it other then the hdmi


  • Moderator
    Team
    Moderator
    Translator

    @realazyria ok my dear, do as you wish. But please, read what the Raspberry Pi Foundation recommends for the pi3 and don‘t complain about sd card corruptions or slowdowns in the future. Best of luck.


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