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Fuzzleworth1

Raspberry Pi 3 B Power Help

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Posted · Original PosterOP

So I just bought a Raspberry Pi 3 Model B but didn't realized it didn't come with a power supply. The Pi says 5V 2.5A but the only thing I have that comes close to that is 5V 2.4A, would this be an acceptable amount of power for the Pi?


CPU: Intel I5-7500 

CPU Cooler: Cooler Master ML240

Motherboard: ASRock B250M PRO 4

Memory: 16GB Patriot Viper Elite

Gpu: Asus Dual 1060 3GB

Storage: Corsair 120GB M.2 NVME

500GB Samsung 860 EVO

1TB WD Blue

Power Supply: EVGA 500W 80+Bronze

Case: Phanteks P350X

Monitors: HP Omen 25in 144hz

and some 25in Acer

Keyboard: Corsair K70 LUX RGB

Mouse: Corsair M65 Pro

Headphones= VModa Crossfade Wireless(but used wired)

Speakers: Some janky speakers I jerry-rigged

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6 hours ago, Fuzzleworth1 said:

So I just bought a Raspberry Pi 3 Model B but didn't realized it didn't come with a power supply. The Pi says 5V 2.5A but the only thing I have that comes close to that is 5V 2.4A, would this be an acceptable amount of power for the Pi?

You'll be fine. Unless you overclock or something crazy the power supply should be more than enough.

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USB connection on that pcb only supports power in up to 1800mA, So yeah 2,5A(2500mA) is just to be safe that voltage 5,1v dont drop too much under 5v line...

 

But be awear if your 5v 2,4A PSU didnt come with that Micro USB cable then you may lose your power on there specialy on long and thin ones!

little example video

 

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I run most of my Pis on 1A power supplies.  My Pi 3 has a 2A supply.

The thing is, it really depends on what you have connected to it.  The Pi 3 series are more power hungry because of their onboard wireless, but it's still reasonable.  Start adding things like HATs and USB devices, and you could soon brown out the system.

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