PSU 750W enough?

Ali99cz

Reputable
Sep 11, 2015
11
0
4,510
I have (or i buy)
CPU: i5 6500
Motherboard: Gigabyte Z170XP-SLI
RAM: KINGSTON DDR4 8GB
GPU: 2x GTX470 SLI
SSD: transcend ssd370s 250GB
HDD: old WD 250GB (7200rpm)
PSU: ?750W?

I wanted EVGA B2 750W, but is out of stock for at least 35days a I need something within a week and I don't know which one to buy :/ I was thinking about EVGA G2 750W, but it's more expensive and I want to save some money.