PSU upgrade question.

[Googolplex]

You only need a powerful PSU when you have a high-end graphics card installed. Otherwise your system works more efficient on lower PSU's.

And get the Athlon II X4 750K (3,4 GHz) for only 2 euros more!

Which additional components do you want to buy? When you want a cheap and powerul system I recommend the following:

- AMD A10-7850K (4,0 GHz quad-core with integrated Radeon R7)
- 8 GB DDR3-2133 dual channel
- 120 GB SSD & 1 TB HDD
- FM2+ mainboard
- 300W PSU (enough for this system)

For only 450 euros!
You can play all modern games on high details. The integrated graphics is powerful like a GeForce GT 640. Better than the HD 6670.