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Corsair TX750M (2021), TX-M Series, 750 Watt 80 PLUS Gold Semi-Modular Low-Noise ATX Power Supply (Dual EPS12V Connection, Low-Noise Operation, 105°C Capacitors, Compact Size) Black

£44.5£89.00Clearance
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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 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. 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. At only 140 mm long, dimensions are compact, and the rifle bearing fan for cooling measures 120 mm across. The OEM is Great Wall, while Channel Well Technology provides the platform for the RM and RMx. Build quality is high, with all capacitors belonging to good lines from Rubycon, Chemi-Con, and FPCAP, respectable Japanese manufacturers. Given the RM750 uses Elite and Su'scon caps and is supported by a ten-year warranty, I have to wonder why the TX750M with higher-quality parts has three years less. Apparently, the cost of providing a longer warranty has increased, and Corsair wouldn't want to create internal competition between lines. That having been said, the TX750M does use better parts than the RM750. Currently, street pricing for both of these is about the same.

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. Sleeving on all cables is of decent quality and the unit features flat modular SATA cables for easier cable management. Speaking of the latter we would like to see more modular cables and less native ones. Finally we should note here that if you choose to connect the second modular EPS cable then you have to sacrifice a modular PCIe connector. 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. The TX750M is 80 PLUS Gold-certified, and it also carries ETA-A and LAMBDA-A- certifications for efficiency and output noise, respectively. Under a continuous full-load output, the PSU's maximum operating temperature is 50°C, and it includes all of the protection features we'd expect.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. 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. 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 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. 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. Cable length is good, though the distance between connectors should be greater, especially in the four-pin Molex connectors.

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