I don't know what PSU I need. Help

broidk

Honorable
Oct 22, 2015
418
1
10,815
CPU
$369.99 †
Intel Core i7-6700K
CPU COOLER
$91.98
Noctua NH-D15
MOTHERBOARD
$219.99
Asus MAXIMUS VIII HERO
MEMORY
$122.99 †
G.Skill 16GB
STORAGE
$69.99
Western Digital 1TB 7200RPM
VIDEO CARD
$349.99
Gigabyte GeForce GTX 970
CASE
$159.99 *
Cooler Master HAF X
MONITOR
$319.99
BenQ XL2420Z 24.0"

This is what I have so far (No optical drive) and they are subject to change possibly. I don't know what I should be looking at with a PSU like watts and modular or non modular.. Plus I don't know which brand makes reliable ones that aren't going to fry my computer.