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Cable length is good, though the distance between connectors should be greater, especially in the four-pin Molex connectors. The TX750M needs more capacitance on the secondary side for a better transient response, a crucial facet of every modern PSU. Moreover, ripple at +12 V should be below 30 mV to be competitive. While 39.3 mV ripple at +12 V under full load and at 47 °C is still pretty good, the EVGA SuperNOVA 750 G6 is at 11.8 mV and Corsair RM750x at 8.9 mV under the same conditions, which should also give you a good idea of how tough the competition is in this category. At low loads efficiency isn't so good. The 80% mark is surpassed only with 100W of load and with 40W load efficiency drops dead low, near to 67%. Since the unit's capacity isn't so high we expected better efficiency readings here but on the other hand the Bronze badge reminds us to lower our expectations. Sleeved cables, over voltage protection, overpower protection, undervoltage protection, short-circuit protection, thermal protection, rifle bearing cooling fan, semi-modular
Since this PSU features a single +12V rail, we do not have anything to say about its power distribution.
The Corsair TX V2 series PSUs are solid performers with great price/performance ratio. However nowadays the demand for units with modular cables is increasing, even in the middle priced segment, so Corsair came up with the TX M Series. These PSUs use a different platform than the TX V2, and on top of that feature a modular cabling system which offers installation flexibility and makes cable management much easier, something that many users will greatly appreciate. Besides the platform change and the addition of the modular cabling system the visual appearance also changed since the TX M units feature the same fan grill design that we first saw on the HX1050W, where the fan grill covers only the fan's area and the case features some bumps that follow the lines of the fan grills. EfficiencyATX spec states that the 5VSB standby supply's efficiency should be as high as possible and recommends 50% or higher efficiency with 100mA load, 60% or higher with 250mA load and 70% or higher with 1A or more load. It's also a little strange that Corsair includes two FDD adapters. Even in very high-capacity power supplies, we usually only get one since it's hardly used anyway. Power Distribution x power 24 pin ATX with detachable 4 pin section , 1 x power 8 pin EPS12V with detachable 4 pin ATX12V section , 8 x 15 pin Serial ATA power , 7 x 4 PIN internal power , 4 x 8 pin PCI Express power with detachable 2 pin section Voltage regulation at +12V may be better than 2% but this still is slightly higher than the TX750 V2. At 5V the deviation is under 3% and at 3.3V it's 3.55%. Overall, taking into account the price segment of this unit, we were satisfied by the voltage regulation since two out of the three main rails registered under 3% deviation. Efficiency at lower loads is very good with 87-88%, but with 80% and 100% load, efficiency goes down a bit, which was expected, since this unit is only Bronze certified. A final note on these tests: The delta difference between in and out temperatures on all tests is huge, a clear indication that the quiet fan does its job very efficiently.
Cooling is handled by a 120mm fan with rifle bearings. We would prefer if Corsair used a larger fan, but the PSU's physical dimensions must have prohibited this. There is no semi-passive mode, which some enthusiasts might miss. However, if the fan profile is tuned correctly, that shouldn't be a problem.
Thankfully, only the necessary cables are soldered on. Everything else is modular. The sole shortcoming we spot is the TX750M's single EPS connector, which restricts its compatibility with some high-end motherboards. Then again, the RM750x only has one EPS connector, so we shouldn't expect the TX750M to come with two.
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