A Detailed Look

The SilverStone SX650-G power supply enclosure is painted with a satin black finish. The power supply measures 100mm deep x 63mm x 125mm.  The back panel includes an On-Off switch, AC receptacle and open honey-comb grill.   

The power supply uses a 92mm fan made by Globe Fan for cooling. The nine blade fan (SO921512HB) is rated for 0.45A at 12 VDC and features a Fluid Dynamic Bearing (FDB) bearing for quiet operation and long life.

The front panel on the 650W PSU incorporates eight modular cable connectors, all nicely labelled and color coded. Each blue connector supports a cable with two PCI-E 8/6-pin connectors.

All of the modular cables are flat ribbon-style to assist with neat cable routing and to help maximize airflow. Note that all of the cables are intentionally rather short as this power supply is designed for use in small-size cases.

Under the Hood

Here are a few pictures showing the layout and components inside SX650-G power supply.  SilverStone is one again using High Power as the OEM for the SX650-G PSU. The overall layout, soldering, and build quality all look very good.

The power supply features a modern circuit design to meet the 80 Plus criteria for high efficiency and uses DC-to-DC converters on the secondary to produce the +3.3V and +5V rails from the +12V output. All of capacitors used inside the PSU are Japanese made with a mix of solid polymer and electrolytic caps used throughout. For example, the main bulk capacitor is made by Rubycon and rated for 470uF, 420V, and 85°C.

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