How many Watts i need?

[NeoneedsaPC]

PC:
PCPartPicker part list: http://pcpartpicker.com/p/2gK6mG
Price breakdown by merchant: http://pcpartpicker.com/p/2gK6mG/by_merchant/

CPU: Intel Core i7-4790K 4.0GHz Quad-Core Processor ($299.99 @ Amazon)
CPU Cooler: Corsair H80i 77.0 CFM Liquid CPU Cooler ($84.99 @ Amazon)
Thermal Compound: Arctic Silver 5 High-Density Polysynthetic Silver 3.5g Thermal Paste ($6.77 @ OutletPC)
Motherboard: Asus Maximus VI Extreme ATX LGA1150 Motherboard ($282.98 @ SuperBiiz)
Memory: Corsair Vengeance Pro 32GB (4 x 8GB) DDR3-2400 Memory ($359.99 @ Amazon)
Storage: Samsung 850 Pro Series 256GB 2.5" Solid State Drive ($164.98 @ OutletPC)
Storage: Western Digital Caviar Black 2TB 3.5" 7200RPM Internal Hard Drive ($147.00 @ Amazon)
Video Card: Asus GeForce GTX 970 4GB STRIX Video Card ($348.99 @ NCIX US)
Case: Cougar SolutionAF-2 (Green/Black) ATX Mid Tower Case ($44.99 @ Mwave)
Optical Drive: LG BH16NS40 Blu-Ray/DVD/CD Writer ($79.99 @ Amazon)
Monitor: BenQ GL2460HM 60Hz 24.0" Monitor ($148.89 @ Amazon)
Keyboard: Razer BlackWidow Chroma Wired Gaming Keyboard ($169.95 @ Amazon)
Mouse: Razer Naga 2014 Left-Handed Edition Wired Laser Mouse ($63.99 @ Directron)
Total: $2539.47
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-12-15 13:12 EST-0500

 

[Xyos]

If you don't plan to get SLI in the future go for a 500-600W PSU. IF you DO plan to get SLI in the future go for an 800-850W.

 

[Mustangrock12]

With the 970s low power draw you should be able to run it with a 750w allowing for upgrades later down the road.

 

[NeoneedsaPC]

is a 650w psu good
and no,i will not upgrade,and when,with psu replace