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Seasonic G Series 650W Power Supply Review


Seasonic are using an ADDA AD1212MB-A70GL fan. This is a ball bearing unit rated at 0.33A/12V. This is identical to the fan used in the G550 and G360 unit.


As we would expect the build quality is exceptional and it looks like an upgraded G550 unit, which makes sense. The non modular cables are sleeved into the chassis, protecting them against fraying long term.


Filtering starts with an X Cap, four Y caps and a coil. On the main board is a TVS diode, two Y caps, an X cap and two coils.


Soldering is high grade with no issues apparent on the main board.


The daughtercard above holds the PWM controller, which is a ICE2HS01G.


Solder quality is high also on the modular connection board.


The primary capacitor is Nippon Chemi Con – a high grade Japanese model rated 420v 330uF 105c. All electrolytic secondary side capacitors are Nippon Chemi Con or Rubycon which is reassuring.

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