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Reviews » Power Supplies

Corsair TX550M & TX750M Power Supply Review

Price: $99.99 & $129.99


For over fifteen years, Corsair has been building PC enthusiast-grade products and in that time, has earned a reputation for quality and performance. In the early years, their core business mainly focused on memory modules, but since then, they have built up a portfolio of products that include memory, solid state drives, enclosures, and power supplies.

This time around, OCC is taking a look at a couple of power supplies from Corsair’s recently introduced modular enthusiast power supply range: the TX550M and TX750M. The M series of power supplies feature a completely new design – it is not a modified version of the older TX and TX V2 power supplies. M stands for modular, although both units still have a captive cable set alongside a selection of modular cables. Let's have a closer look at two of the new M series power supplies and see if they can uphold the tradition.

Closer Look:

The packaging of the TX550M and TX750M power supplies pretty much follow the theme used throughout the rest of Corsair’s product range; the differences are obvious – model number and technical specifications – so there's little point in showing both boxes from all angles.
















The top face of the box carries a photograph of the power supply fan grill along with the model number in yellow text indicating the TX series. The bottom face of the box carries all the technical information which includes connector types and quantities, a specification table, brief descriptions of some major features, and two graphs used to illustrate fan noise and efficiency. The front and rear faces provide more featured information, with the end panels clearly showing the model number.




Once again, Corsair packed their power supply in a box, in another box.


Lifting the lid, the power supply can be seen well protected in black foam and a black felt drawstring bag. The power supply’s captive cables, a plastic bag containing the modular cables, power cord, and a little bag with some cable ties, case badge, and power mounting screws neatly occupy the remaining space. The review samples came with two leaflets, safety information, and warranty guide, but no user manual. There was, however, an invitation with a webpage address to download a complete user guide, but at the time of writing this article, an obvious link was nowhere to be found.




Once again, the power supplies are very well packaged with a good set of accessories, although a user manual would be a welcome addition. Let's move on and have a closer look.

  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specification & Features
  4. Testing: DC Voltage Load Regulation
  5. Testing: DC Voltage Load Regulation (Cont.)
  6. Testing: Efficiency, Power Factor
  7. Testing: DC Quality
  8. Testing: Temperature, Noise Level & Fan Speed
  9. Conclusion: TX550M
  10. Conclusion: TX750M
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