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SilverStone OP1000-E 1,000W Power Supply Review

Manufacturer: Silverstone
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Specifications and Packaging

The SilverStone OP1000-E 1000W power supply is rated for a combined, continuous output power of up to 1,000 watts at 50°C operating temperature (internal case air temperature).  That’s important, as some less reputable manufactures limit their power supply’s advertised capacity by specifying a lower operating temperature (25°C) in the fine print.  The PSU includes universal AC line input (automatically adjusts the AC line voltage) and active PFC, which makes the unit more environmentally friendly to the local power grid. 


The OP1000-E PSU incorporates a single, powerful +12V output that can deliver up to 80A (960W) of combined load.  Using a single +12V rail is a trend we are seeing in many newer power supplies.  Traditionally, manufacturers have created multiple +12V outputs by implementing current limiting circuits into their design to conform to the old 240 VA maximum guidelines – no single output should exceed 240 VA (12V x 20A = 240 VA).  Having multiple current limited +12V outputs can lead to power distribution problems, particularly with some power-hungry video cards.  Delivering a single, powerful +12V output is a better approach IMHO.



(Courtesy SilverStone)

Packaging and Parts


The SilverStone OP1000-E power supply arrived securely packed inside a retail box that highlights the power supplies features and specifications.  In addition to the power supply the package includes a heavy duty power cord, mounting screws, cable ties, and a printed User Manual.


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