Seasonic S12II vs Corsair Vengeance

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Hey, after my medieval beQuiet PSU just died on me, I need a new PSU for my setup. I settled on these 2, Seasonic, can never go wrong with that I guess, and about Corsair I heard good things, yet dont know about the Vengeance Series:

Corsair Vengeance 650W 70€
Seasonic S12II 620W 65€

Cant decide between these two, and I dont wanna spend more money than 80€ for a PSU. Would they suffice for the future/overclocking?

My Setup:
GTX 1060 6GB
i5 2500k Overclocked 4,5 Ghz
Gigabyte Z68XP-UD3P
2 x 1TB Seagate 3,5 SATA
2 x 4GB Kingston RAM
 
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First of all remove links to competing sites.

And both aren't anything I would be happy with starting from medieval 80+ Bronze efficiency.
Seasonic is also old outdated group regulated design.
And while Corsair has switched CX and Vengeance to DC-DC design that move seems to have come at cost to other areas.
This same design CX has ATX specification failing low hold up time because of grossly undersized primary capacitor:
https://www.hardwareinsights.com/corsair-cx550m-farewell-group-design/6/#Voltage-hold-up-time

While 80+ Gold Antec Earthwatts Gold Pro would be available for that price level from German shops.

Though for that level graphics card even 550W PSU would be more than enough.
Sandy Bridge had very frugal power consumption, so that CPU shouldn't be very power hungry, unless you just went for balls out overvolting it to hell and back.
 
Making the assumption you're in Germany due to the links, why don't you use Caseking links as they are OcUK's parent company, they also happen to be cheaper than in the links you've posted.
Like Esat says you'd get away with a 550W PSU such as https://www.caseking.de/en/antec-eag-pro-550w-80-plus-gold-netzteil-550-watt-nean-047.html, to be honest though I'd probably spend the extra €5 on https://www.caseking.de/en/antec-ea650g-pro-80-plus-gold-power-supply-650-watt-nean-048.html, as it will give greater freedom should you wish to upgrade. Both of those Antec PSU's come with 7 years warranty and are made by Seasonic.
 
It's as EST has said, don't get either of those PSU's. Look at something gold rated, far less noise and save on electric in long run. Also a good Gold rated PSU will be more stable allowing better overclocking.
 
I live in Austria actually, so it's always a tad more expensive. How long on average, until the gold PSU's last? Never dwelled into PSU's that much, but if the Golds last longer and are more stable, it's well worth the extra 20.

I think I'll go with 650W, and I can get Antec Earthwatts Gold or Bitfenix Formula Gold for 85€ around here,
 
The Bitfenix Formula Gold are made by CWT and have 5 years warranty, 2 years less than the Seasonic built Antec Earthwatts I listed, so if it was between those two PSU's I would buy the Antec. If you are willing to spend more then you could buy either https://www.caseking.de/en/seasonic-focus-plus-gold-netzteil-modular-550-watt-nese-073.html or https://www.caseking.de/en/seasonic-focus-plus-gold-netzteil-modular-650-watt-nese-074.html, both of which have a ten year warranty as JasonM has already stated.
 
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