Is the psu enough?

Jimmy_68

Prominent
Feb 20, 2017
13
0
510
Gigabyte B250-HD3P
Intel Core i3-7100
Corsair Vengeance LPX 8GB DDR4-2133MHz
Corsair Force Series LE 480GB
Palit GeForce GTX1060 3GB

Those are the parts i want to have for a new build but is this psu...
Corsair CX Series 450W
Enough?
Also with this psu can i add one more of these ssd and another set of those rams? And do i need to go to 16gb or leave it as it is?
Next psu i think is the same 550 watts