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Seasonic G Series 650W Power Supply Review


The Seasonic G Series 650W Power supply is finished to very high standards. It is plain but therefore is perfect for inclusion in a variety of system builds. Negatively it does attract fingerprints quite easily.

The unit passed our ‘screwdriver’ stress test, which involves running a Philip’s head driver down the side of the chassis with weak to modest pressure. How often have you accidentally hit a power supply with some tools during a system build phase?


A large 120mm is showcased behind a black grill. No company branding on this, which is unusual.


The modular cables all connect into a single panel on one end of the chassis. They are labelled and different sizes for ease of installation.


The other end of the chassis is honeycomb vented for air flow. Next to the large vent is a Seasonic sticker, power connector and switch.


The range of G Series units. The G650 can deliver 54A on the +12v output.

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  • zzz

    i got 750w version, is that as good as this one?

  • f0rever_rachel


  • Maxxoz YT

    Even better

  • Azure

    I want to ask if the seasonic g 650 fan doesnt stop when pc is on?