Building new PC. Help please

[johnclean]

Motherboard bundle for £130

Motherboard - ASUS P8H61-MX R2.0

Processor -i3-3220 3.3GHz, CPU cooler

RAM -  4GB DDR3 1333MHz RAM

 

CiT 1017 PC Case With 500w PSU - £30

 

Got Spares From Old PC

Hard Drive Size: 320 GB. Interface: SATA. Transfer rating: 3.0 Gb/sec. Rotational Speed: 7200 RPM

External Graphic card 500GB

Graphic card - Sapphire HD 5450 1GB DDR3

 

I play games like L4D2, Dayz, Payday. Is This PC good enough ? Should i upgrade PSU and Graphic card got £100 left to do any more upgrades i can make this good. If i should Change Graphic graphic can you please tell me what do i need to look At  i only know that i need to see watts is there anything else i need to see?(explain to me how to look for graphic card rather then posting link please)

Also if i did Something wrong with this Build please let me know. This is my 1st time.

[Muffinmaddness]

you could upgrade your graphics to an r9 - 270 , and that mobo change it to a 1150 skt, and a better cpu , ( maybe an G3258 or an AMD variant ) whats your total budget ?? , 

[Faceman]

You need to get a more powerful processor.  Old i3s are not good.  New i3s are good if you can't afford an i5.

[johnclean]

You need to get a more powerful processor.  Old i3s are not good.  New i3s are good if you can't afford an i5.

 

 

you could upgrade your graphics to an r9 - 270 , and that mobo change it to a 1150 skt, and a better cpu , ( maybe an G3258 or an AMD variant ) whats your total budget ?? , 

I dont want to spend more then £300. I should be able to return all things i brought. Which will be good gaming PC. I was looking in Maplin store.