Question WHAT IS BEST GRAPHICS CARD FOR HP PRODESK 400 G5

[SURYAVO@ZEUS]

Actually I want to buy Rx 6400 low profile from amd Radeon,but I am not sure it's fully working or not. as per the specifications of my pcle ×16 slot is 3.0 but this GPU supports pcle4.0...and second issue is my psu is - 180w max .. although Rx 6400' s tbw is 53w...but I am little bit worried...is anyone of this forum have this built with same GPU please share your thoughts, suggession and recommendations. Any and all information on this would be greatly appreciated!!
..i also attached my pc's specifications -

MODEL - HP PRODESK 400 G5 SFF
CPU - i 5 8400
MOTHERBOARD - B360
SSD - CRUCIAL BX 500
HDD - WD 500 GB
OS - WINDOWS 10 PRO

 

[Fix_that_Glitch]

You have to have at least a 350watt psu. And if memory serves me correctly the HP does not use a standard ATX type of Psu. The RX 550 low profile is listed as compatible with your pc in its manual.