I can honestly say that I’ve never seen a power supply with such a high efficiency under low load. Nearly 90% efficiency is in the realm of Star Trek. Even under moderate and heavy load, this PSU is able to maintain a high 85% efficiency rating, well above the 80% that “green” PSUs shoot for. None of the lines were undervolted at all, but some of the rails were slightly overvolted. Even still, the 5v line is within 2% tolerance, even under heavy load, and the single 12v rail stays within 3% tolerance. Overall the Corsair TX750W is rock-solid stable.
In addition, the quality of this PSU doesn’t break the bank, either. If you compare prices you will see that there are some 750W power supplies around $100, but if you look closer you will see that these are lower-quality units. Good quality units like the OCZ Pro Xstream (reviewed here) and ThermalTake Toughpower (reviewed here)hover around $150. The Corsair TX750 can be had between $100 and $150 from various online shops, which makes this awesome power supply a great value, too.
In my opinion, the good people at Corsair have done an amazing job of creating a solid PSU that is up to just about any challenge. With little variance and a great deal of technology and intuitive design, the TX750 from Corsair is a rock solid investment for your PC. Now that really is priceless.
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