SilverStone Strider ST56F power supply

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There are two aluminum heatsinks with large, finger-like fins that extend above the components below. The heatsink design is very simple, and despite their large size, they don't have a lot of surface area. On the other hand, the wide spacing between the fins should be good for low airflow cooling, and should help cut down on airflow impedance. There is a small gap between the end of the PCB and the rear grill, which suggests that the Strider was adapted from a model with an 80mm fan.

The heatsinks have large aluminum fingers.

The main transformer and the input capacitor are both very large — so large that the heatsinks do not have room for fins above them.

SilverStone calls these "Industrial Grade Components". I call them a PFC coil and a smoothing capacitor.

The fan appears to be made by Adda. It is a sleeve bearing, "low noise" design, but the 0.4A rating indicates that it is also capable of high speed. Adda fans appear in some of the quietest power supplies, but those fans tend to be low or medium speed models. The level of noise will depend a lot on how low a voltage the fan receives from the fan controller.

High speed doesn't look promising for low noise.

A standard 2-pin fan header should make fan swaps easy.

If the fan turns out to be loud, it won't be difficult to swap. The fan uses a standard 2-pin header that is conveniently located at the front edge of the PCB.

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