Which of these PSUs should I pick for my gaming PC?

Sep 7, 2018
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GPU: EVGA GeForce GTX 1060 SC GAMING, 06G-P4-6163-KR, 6GB GDDR5, ACX 2.0 (Single Fan)
CPU: AMD Ryzen 5 1600, 3.2 GHz, 8MB, Socket AM4
RAM: Crucial Ballistix Sport LT Gray 8GB, DDR4, 2400MHz, CL16, 1.2V
Motherboard: Gigabyte AB350M-HD3, Socket AM4
Hard Disk: SATA 1TB 7.2k RPM
SSD: Kingston A400 240 GB

What PSU should I pick?
Super Flower Leadex Silver, 550W, 80 PLUS Silver
or
Super Flower Leadex II Gold, 650W

I know they're both good PSUs. I personally would rather take the Leadex Silver, because although it has a smaller wattage it is cheaper and it has a longer warranty (60 months vs 24 months).
What do you guys think? Is 550W more than needed in this build?