help me fix build pc gaming

[Leyha]

i want to build pc like this

i know this ram to expensive but it is worth? because only 4gb
or i should change ram to this

avexir DDR4 (4gbx1) PC19200

or stay in corsair

cpu : AMD ryzen 3 2200G
m/b : asrock A320m-hdv
ram : corsair vengeance lpx ddr4 (4gbx1)
vga : galax gtx 1050 ti oc 4gb
psu : corsair VS series 450 450W 80+

 

[Scottray]

First, 4GB RAM is too little. You need 8GB. Second, why are you spending money on the CPU that has integrated graphics and also getting a graphics card?

 

[Leyha]

why i pick 4gb ram because, budget and i will buy 4gb again after 1-or 3 month after received salary

and why i pick ryzen 3 2200G because ryzen 3 1200 and ryzen 3 2200G have same price in my country just different 10$

 

[Scottray]

It's not a good idea to buy ram sticks separately, because slight differences in timing between ram sticks may cause your PC to not boot up. I think it would be better to buy the 8GB ram now (either 8GBx1 or 4GBx2) and use the internal graphics of the CPU for awhile. Then, upgrade by added in a dedicated GPU. I also read that the Ryzen 3 2200g performs better with higher speed ram. Take a look at DDR4-2933 or DDR4-3200 ram. Last, you may also want to consider buying a better quality power supply. The Corsair CX series has better capacitors and reliability than the VS series. Depending on availability in your country, it may only be a little more money.