Please suggest a PSU required

[CyberEgg]

This is my rig
AMD 3.5 AM3+ FX 6-Core Edition FX-6300 (FD6300WMHKBOX) Processor
AS Rock 970 Extreme3 Motherboard
Asus DRW-24D3ST/BLK/G/AS DVD Burner Internal Optical Drive
Cooler Master K281 Mid Tower Cabinet
Sapphire AMD/ATI HD 7790 OC 2 GB GDDR5 Graphics Card
Corsair Vengeance DDR3 4 GB (1 x 4 GB) PC RAM (CMZ4GX3M1A1600C9)
Seagate Barracuda 2 TB Desktop Internal Hard Drive (ST2000DM001)
Corsair VS550 550 Watt PSU
Zebronics Doublet USB 2.0 Keyboard and Mouse Combo
Dell S2240L 21.5 inch LED Backlit LCD Monitor

Is 550 required or more or less

 

[dextermat]

Hi,

a good quality 500-550 watt minimum would be fine.

 

[geofelt]

A 7790 needs about a 430w psu. You are good with 550w.
Overprovisioning is ok, a psu will use only what it needs.