What PSU wattage should i choose?

[George Lazu]

Hey, i want to buy the following system:

Motherboard: ASRock 990FX Extreme3
CPU: FX-8350 4.0GHZ
GPU: GTX 750ti
RAM: 8GB [two 4GB sticks], 1600MHz
HDD: One 3.5" 500GB [7200RPM], and one 2.5" 170GB [7200RPM] (And none of those are ssd.)
Fans: 1 120mm fan and 1 80mm [led] fan.

A PSU calculator said that i need 350w. I want to buy 550w or 600w. I'm not planning to upgrade anything for at least two years, and i'm going to upgrade only the gpu

 

[Shain Taylor]

Go for a 550w to be safe. It will give you some head room and future GPU's will use less power.

 

[George Lazu]

Go for a 550w to be safe. It will give you some head room and future GPU's will use less power.

I found this PSU on sale:

http://www.emag.ro/sursa-super-flower-550w-modulara-pfc-activ-sf-550k12xp/pd/DM8QJBBBM/

It should work, my motherboard uses 20+4 and CPU uses 4+4. The GPU uses 6pin PCI-E, will the 6+2 pin work too?

What about this one?

 

[Dark Lord of Tech]

You have enough power for your specs . but a 550w would be a great choice.