Question ought i buy a new psu for this MB ?

[tarmewi]

i have a hp motherboard without a 24/20 pin just a 6 pin and two 4 pin power connector
i want to change my 180 watt psu with a 300 or more psu
cause ill buy a new gpu and this will not work with this low wattage
so guys can you help me if you have an idea about a psu with two 4 pin and 6 pin and thnks <3

 

[Dark Lord of Tech]

What model is this HP?