A Detailed Look

The SilverStone SX700-LPT power supply enclosure is painted with a satin black finish. The power supply measures 130mm deep x 63mm x 125mm.  The back panel includes an On-Off switch, AC receptacle and open honey-comb grill.

The power supply features semi-fanless operation (does not spin at lower power loads) and uses a 120mm x 15mm fan made by PowerYear for cooling.  

The thirteen blade fan (PY-12015H12S) is rated for 0.22A at 12 VDC and features sleeve bearings for quiet operation. The ultra-quiet fan with intelligent RPM control is designed to provide cool performance and quiet operation.

The front panel on the 700W 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 SX700-LPT power supply.  SilverStone is one again using High Power as the OEM for the SFX-L Series 700W PSU. The overall layout, soldering, and build quality all look 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.

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