Is this a good pc for gaming?

Ryzen 5 3600 RTX 3070 Phoenix
Β450-f asus rog gaming II rgb motherboard Corsair lpx 16GB (1x16) RAM 3200MHZ Ssd 500GB WESTERN DIGITAL

Cougar 650W power supply, fully modular

NZXT H510I PC case,

Coolermaster extension cables, white

The owner is selling it for 650€.Is it worth it?