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Seasonic are using a Hong Hua Fluid Dynamic Bearing (FDB) fan (Model HA13525M12F-Z). It is rated at 1,800 rpm, 0.36A and 12VDC.
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The overall build quality is very high, as we would expect from Seasonic. Soldering quality is stellar and there are several little heatsinks in key positions, to help deal with heat. Due to the high efficiency rating of this particular unit there really is no need to over populate the internals with an array of heatsinks.
We can see four Y Caps, one X cap, two coils and a TVS diode.
Seasonic are using high grade 105c rated Japanese capacitors in both primary and secondary stages – always reassuring to see, if expected at this price point. The two primary capacitors are rated 400v 450uF, along with a bigger 400v 820uF model from the same family. This gives a total of 1270uF. Seasonic are using capacitors in this unit from Nippon Chemi Con, Nichicon and Rubycon. All the good Japanese brands.
Seasonic do tend to greatly over specify their power supplies. We reviewed a Super Flower 1000W gold unit late in 2017 and it was equipped with two 470uF capacitors for a total of 940uF. Very few 1000W power supplies we have reviewed in recent months ship with a total of 1000uF in the primary stage, never mind 1270uF!
