Corsair TX850M power supply unit 850 W 20+4 pin ATX ATX Black

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TX-M Series™ TX850M — 850 Watt 80 Plus® Gold Certified PSU (UK)
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Gold-certified efficiency and semi-modular cabling for low energy use and easy installation TX Series semi-modular power supplies are ideal for basic desktop systems where low energy use, low noise, and simple installation are essential. All of the capacitors are 105°C rated, Japanese brand, to ensure solid power delivery and long term reliability. 80 PLUS Gold efficiency reduces operating cost and excess heat. Flat, sleeved black modular cables with clearly-marked connectors make installation fast and straightforward, with good-looking results. 80 PLUS Gold-certified Efficiency The super-efficient operation of the TX Series semi-modular results in lower energy use and lower operating costs. Since it generates less heat, the fan doesn’t need to work as hard, and you’ll enjoy near silent operation. Modular cabling with clearly marked connectors The flat, sleeved black cables are semi-modular, so you’ll only use the cables you need and you’ll get great-looking results. The clearly-marked connectors make installation fast and straightforward. Corsair Engineering and Quality Control Every CORSAIR power supply is designed by our California engineering team and built to our exact specifications. The same care that goes into the design and testing of our renowned high-power enthusiast power supplies also goes into the TX-M Series semi-modular, because you need confidence and reliability regardless of your build budget.


  • Total power 850 W
  • AC input voltage 100 - 240 V
  • AC input frequency 47 - 63 Hz
  • Input current 12 A
  • Power Factor Correction (PFC) type Active
  • Combined power (+3.3V) 130 W
  • Combined power (+12V) 849.6 W
  • Combined power (+5V) 130 W
  • Combined power (-12V) 9.6 W
  • Combined power (+5Vsb) 15 W
  • Max output current (+3.3V) 25 A
  • Max output current (+12V) 70.8 A
  • Max output current (+5V) 50 A
  • Max output current (-12V) 0.8 A
  • Max output current (+5Vsb) 3 A
  • Hold time 16 ms
  • Power protection features Over power, Over voltage, Overheating, Short circuit, Under voltage
  • Motherboard power connector 20+4 pin ATX
  • Peripheral (Molex) power connectors (4-pin) 8
  • Motherboard power cable length 61 cm
  • Number of SATA power connectors 8
  • SATA power cable length 500,600,800 mm
  • Peripheral (Molex) power cable length 450,550,650,750 mm
  • EPS power connector (8-pin) Y
  • PCI Express power connectors (6+2 pin) 4
  • PCI Express power cable length 60 cm
  • Floppy drive power connector 1
  • Floppy disk drive connector Y
  • Floppy disk drive cable length 10.1 cm
  • PCI Express connector Y
  • Cabling type Semi-Modular
  • Purpose PC
  • Power supply unit (PSU) form factor ATX
  • 80 PLUS certification 80 PLUS Gold
  • ATX version 2.4
  • EPS version 2.92
  • Bearing technology Rifle
  • Mean time between failures (MTBF) 100000 h
  • Certification FCC, ICES, CE, UL, cUL, RCM, TÜV, CB, CCC, BSMI, EAC, WEEE, KC
  • Product colour Black
  • Cooling type Active
  • Fan diameter 14 cm
  • Number of fans 1 fan(s)
  • Fan speed 2202
  • Fan location Top
  • On/off switch Y
  • Operating temperature (T-T) 0 - 50 °C
  • Width 150 mm
  • Depth 160 mm
  • Height 86 mm
  • Weight 1.78 kg
  • Manual Y
  • Package type Box
  • Sustainability certificates RoHS
  • Noise level (silent mode, <30%) 6 dB
  • Noise level (quiet mode, 50%) 25.9 dB
  • Noise level (full-load mode, 100%) 39.2 dB
  • Warranty card Y


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