What PSU do I need?

[Bamheadz]

I'm making a pc for myself & now my question is how much watt will this build take & which PSU do I need?

Build:
- Motherboard: ASRock 970 Extreme3 R2.0
- CPU: AMD Phenom II X4 965 Black edition
- RAM: Kingston HyperX 8 GB DDR3-1333 Kit
- HDD: 500GB seasonic
- Koeling CPU: Cooler Master Hyper212 Evo
- Keyboard + mouse + headset & 500GB External HDD are with USB slots + Display (syncmaster 245b)
- GPU: Ati HD Radeon 6850 Black edition

Which PSU do u guys recommend?

 

[Ghostman 1]

I usually use a 500 to 600 watt on all my builds , Just by a brand name PSU, Like Antec/OCZ/Corsair and so on.. Make sure it has an 80% rating..

 

[NickyAB]

Yup agree with Ghostman 1 a 500 watt to 600 watt is a good PSU. Just get it from a good brand and not a generic one.