Corsair CX750M PSU Review
Corsair's CX line is aimed at users with limited budgets who still want a branded, reliable, and well-supported PSU. Today we're reviewing the second-strongest member of the family, the CX750M.
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Cross-Load Tests And Infrared Images
Our cross-load tests are described in detail here.
To generate the following charts, we set our loaders to auto mode through our custom-made software before trying more than 25,000 possible load combinations with the +12V, 5V and 3.3V rails. The load regulation deviations in each of the charts below were calculated by taking the nominal values of the rails (12V, 5V and 3.3V) as point zero.
Load Regulation Charts



Efficiency Chart
This unit's sweet spot is from 140W to 560W, where efficiency falls between 85-90%. If you need higher efficiency levels, then you really need to shop for an 80 PLUS Gold-rated power supply. Just expect it to cost a little more.
Ripple Charts




Infrared Images
Toward the end of the cross-load tests, we took some photos of the PSU with our modified FLIR E4 camera that delivers 320x240 IR resolution (76,800 pixels).







The temperatures inside of Corsair's CX750M aren't high enough to make us worry. The strong fan does a pretty good job.
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Aris Mpitziopoulos is a contributing editor at Tom's Hardware, covering PSUs.