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Recent Posts

Recent Posts

DC Load Regulation and AC Ripple

12/02/2017 - 12:20

PSU Testing Methodology Establishing an accurate load is critical to testing and evaluating a PC power supply.  PCPerspective’s power supply test bench can place a precise DC load on the PSU under test.  Each power supply is tested under...

A Detailed Look

12/02/2017 - 12:08

The PRIME Ultra Titanium Series power supplies incorporate extremely tight voltage regulation, which Seasonic calls Micro Tolerance Load Regulation (MTLR). This results in the three primary rails (+3.3V, +5V, and +12V) exhibiting less than or equal to 0...

Specifications and Packaging

12/02/2017 - 12:01

Specifications [inline:files/review/2017-12-02/5-Nameplate.jpg] The Seasonic PRIME Ultra 850W Titanium power supply is rated for a combined, continuous output power of up to 850W at 50°C operating temperature. All of the PRIME Ultra Titanium Series...

SilverStone SFX 650W Gold Power Supply Review

11/16/2017 - 11:28

Introduction [inline:files/review/2017-10-29/2-Banner.jpg] It has been several years since we looked at a true SFX form factor power supply, but today we are going to take a detailed look at one of SilverStone’s new SFX units, the SX650-G. As one...

Final Thoughts and Conclusions

11/11/2017 - 13:14

[inline:files/review/2017-11-11/31-Banner.jpg] Cooler Master’s new MasterWatt power supplies are an update of their mainstream power supply lineup. All four MasterWatt power supplies feature semi-fanless operation, modular cables, 80 Plus Bronze...

Efficiency, Differential Temperature and Noise

11/11/2017 - 13:10

Efficiency

DC Load Regulation and AC Ripple

11/11/2017 - 13:06

Testing Methodology Establishing an accurate load is critical to testing and evaluating a PC power supply.  PCPerspective’s power supply test bench can place a precise DC load on the PSU under test.  Each power supply is tested under...

A Detailed Look

11/11/2017 - 13:02

[inline:files/review/2017-11-11/11-Back.jpg] The Cooler Master MasterWatt 550W power supply enclosure is painted matte black and measures 140mm (5.5”) deep. The back panel includes an AC receptacle and main power On-Off switch. The PSU features...

Specifications and Packaging

11/11/2017 - 12:58

The MasterWatt 550W Bronze power supply is rated for a combined, continuous output power of up to 550 watts at 40°C operating temperature. The PSU incorporates a single +12V rail that can deliver up to 45.8A (550W) on the single +12V output. ...

Final Thoughts and Conclusions

10/29/2017 - 15:41

[inline:files/review/2017-10-29/31-Diag-cables.jpg] SilverStone’s new SX650-G power supply brings 650 watts of combined DC output to the small form factor market in a very compact chassis. Its most obvious feature is its small size, but the PSU...