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Silverstone Hela Series 850R Platinum (850W)

Silverstone are using a Fluid Dynamic Bearing fan (FDB) rated at 12V, 0.50A. Model number S1352512EH. The fan controller is a STC STC15W408AS unit.

The OEM for this unit is High Power and the overall design is very clean throughout.  Soldering quality is pretty good as well.

The primary side is APFC, Half Bridge & LLC Converter. The Secondary side using synchronous Rectification & DC-DC convertors. The two primary capacitors are Japanese – quality caps from respected company Rubycon rated 400V, 470uF, for a combined 940uF @ 105C. Resonant controller is a Champion CU6901VA and the transient filter comprises 4x Y Caps, 2x X caps, 2x CM chokes, 1x MOV and a Champion CM02X as a Discharge IC.

This unit ships with OCP, OVP, OPP, OTP, SCP and UVP protections.

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