How many Watts will I need?

[Cristobal Fernandez]

Corsair 750D

-Blue LED
-ORIGIN High-Performance Ultra Silent Fans
-MSI Z87-GD65 Gaming
-ORIGIN CRYOGENIC Custom Liquid Cooling CPU Only (refill kit included)
-Ice Dragon High Performance Coolant
-Overclocked Intel Core i7 4770K Quad-Core (4.0GHz-4.4GHz) -
-Single 3GB NVIDIA GTX 780
ORIGIN Professional Graphics Card Overclocking
-16GB Corsair Vengeance 1600Mhz (2x8GB)
-2TB SATA 3.0Gb/s, 7200RPM, 32MB Cache
-12X Blu-ray Reader and DVD Combo
-AeroCool Touch 2100 - Touch LCD, Temperature Display and Fan Controller
-On Board Audio
-Onboard Network Port

What PSU will I need? and does this PC looks good for gaming?

 

[jzbader]

use a wattage calculator: http://www.extreme.outervision.com/psucalculatorlite.jsp

 

[tiny voices]

650-750w would be plenty and give room for overclocking.