Question 400w Psu will be enought for my future build?

Feb 25, 2019
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Hi, i want to know if a 400 psu will be enought for my next build:

-Ryzen 5 2400G
-Amd RX 580 or RX 480
-3 Sata Drives

The Psu is : Gigabyte PW400 (80 plus white)
+12v = 30A
+5v = 15A
+3.3v= 21A
 
Feb 25, 2019
2
0
10
I really want to go with an amd gpu because of the ugly ui of nvidia geforce experience but What if i change the psu for the Gigabyte PB500 500w (80 plus bronze)?
+12v = 38A
+5v = 15A
+3.3v = 21A