How much power supply do i need?

[Arneet Singh]

Hi guys,
I am building a new PC

CPU - Intel i7-6770k
M.B. - ASUS Maximus VIII Hero
GPU - MSI GTX 970 4G Twin Frozr
CPU Cooler - Corsair Hydro H110i
Memory - G. Skill Ripjaws (2x8 GB) 3000 MHz
Case - Corsair Obsidian 750D AirFlow Edition
Monitor - ASUS VG248QE 24'' 144Hz
H.D. - WD 1TB 7200rpm, SSD 256 GB

Please suggest me how much power supply do i need?
I might also plan to add second GTX970 in future.

 

[BadActor]

A good quality 550 watt now and a 750 watt if you want to go SLI. Suggest EVGA, XFX or Seasonics from Tier 1 or 2:

http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html

There's a good deal on an EVGA right now:

http://www.ncixus.com/products/?usaffiliateid=1000031504&sku=97531&vpn=110-B2-0750-VR&manufacture=eVGA