Member for
4 years 19 weeks

Recent Posts

Recent Posts

XMT 300 PC Power Distribution Module

03/30/2015 - 11:24

[inline:files/review/2015-03-30/8-Interconnect-Diag2.jpg] As we stated earlier, the Miller XMT 300 PC power supply only produces a single, gigantic +12V output.  This +12V power is then fed to multiple distribution modules wired in parallel that...

XMT 300 PC Main Power Unit

03/30/2015 - 11:20

The XMT 300 PC power supply features a bright blue enclosure that highlights Miller’s The Power of Blue slogan.  Did I mention this thing is huge!  The unit is designed to sit on the floor and that is where most people will leave it. [...

EVGA SuperNOVA 550GS and 650GS Gold PSU Review

03/24/2015 - 13:09

Introduction EVGA has just announced the arrival of two new GS power supplies in their popular SuperNOVA line, the 550GS and 650GS. Both power supplies are 80 Plus Gold certified and feature all modular cables, high-quality Japanese brand capacitors, and...

Final Thoughts and Conclusions

03/21/2015 - 10:43


Efficiency, Differential Temperature and Noise

03/21/2015 - 10:39


DC Load Regulation and AC Ripple

03/21/2015 - 10:32

DC Output Load Regulation To simulate demanding and maximum loading conditions, the EVGA SuperNOVA 550 GS and 650 GS power supplies were connected to the load testers and supplied with a constant 115 VAC.  In this test we are interested in seeing...

Under the Hood

03/21/2015 - 10:28

[inline:files/review/2015-03-21/15-Inside.jpg] Here are a few pictures showing the layout and components inside the EVGA SuperNOVA 550GS and 650GS Gold power supplies.  Internally the two units are nearly identical (except for a couple larger/...

A Detailed Look

03/21/2015 - 10:26

[inline:files/review/2015-03-21/10a-Back.jpg] The EVGA SuperNOVA GS Gold power supply enclosures are painted with a matte black hammertone finish and measure 150mm (5.9”) long.  The back panel includes an On-Off switch, AC receptacle and open...

Packaging and Parts

03/21/2015 - 10:22

The EVGA SuperNOVA 550 GS and 650 GS power supplies arrived packed inside standard retail boxes showcasing each unit’s features and specifications.   [inline:files/review/2015-03-21/7a-Box.jpg] [inline:files/review/2015-03-21/7b-Box.jpg] [...


03/21/2015 - 10:19

[inline:files/review/2015-03-21/5a-Side-by-side.jpg] The EVGA SuperNOVA 550 GS and 650 GS Gold power supplies are rated for a combined, continuous output power of up to 550 watts and 650 watts respectively at 50°C operating temperature. Both PSUs...