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Corsair TX550M & TX750M Power Supply Review

paulktreg    -   February 21, 2012
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Conclusion:

TX750M:

Price Per Wattage:

Corsair TX750M 750W Power Supply at $129.99 = $0.24/Watt (02-2012)

 

The Corsair TX750M power supply comes well-packaged with good build quality and a decent set of accessories.

The DC voltage load regulation is generally excellent, with a worst case +1.8% on the +5V rail. Like the TX550M, the noise/ripple values, on the other hand, could be better although they manage to stay within the limits set down by the ATX12V specification, but only just. The efficiency/power factor correction of the TX750M is satisfactory, though there was an unexpected dip at full load on 110VAC to 78% – not what you'd expect from an 80 Plus Bronze certified power supply. In its defence, the rail loadings didn't replicate those used for 80 Plus certification, so it wouldn't be fair to judge it too harshly when tested with OCC’s power supply methodology.

The Corsair TX750M is a decent enough offering that brings the option of modular cables to the ever-popular TX range at a competitive price. It's well made and performs well, so it's certainly capable of reliably powering a powerful gaming PC with two high end graphics cards.

 

Pros:

  • Great voltage regulation
  • 5 year warranty
  • Plenty of connectors
  • 80 Plus Bronze

 

Cons:

  • Dip in efficiency at full load
  • Ripple/Noise levels could be better
OCC Bronze



  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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