What should i upgrade first?

Ammo95

Reputable
Sep 3, 2015
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I can only afford to upgrade one component with my current budget, and i need help.What component is holding my PC back the most?
I have a 150 - 200 euro budget
These are my current specs:
CPU
AMD Athlon II X4 640
Propus 45nm Technology
RAM
8,00GB Dual-Channel DDR3 @ 669MHz (9-12-12-30)
Motherboard
ASRock N68C-S UCC (CPUSocket)
Graphics
SyncMaster (1920x1080@60Hz)
1024MB ATI AMD Radeon HD 6700 Series (Gigabyte)
Power Supply
http://i.imgur.com/I1Bnd4G.jpg?1