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Corsair AX850 (CMPSU-850AX)
9.2 out of 10

Corsair AX850 (CMPSU-850AX)

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Reviews for Corsair AX850 (CMPSU-850AX)

Showing 1-10 of 14
Overall 9

Corsair AX850 Power Supply Review

22 August 2010
  • Excerpt: 11 Flares 11 Flares × A short while ago we reviewed Corsair’s top of the line AX1200 PSU and it walked away with a score of 9.5/10 and our top award. It earned this by delivering record breaking efficiency (93%) with an incredibly potent and ultimately stable power delivery.
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Overall 9

Corsair AX850 850 W

9 May 2011
  • Summary: The AX850 proved to be a solid performer. Although its voltage regulation was not jaw dropping, +12V and 5V rails stayed under 3% and only 3.3V reached 4% deviation. The high efficiency levels even under very high ambient temperatures, the excellent ripple suppression and especially the great performance of all rails in the Advanced Transient Response tests showed the high class of this PSU.
  • Pros: High efficiency even at low loads, Great ripple/noise suppression, One of the very few PSUs that passed successfully all Advanced Transient Response tests, Very quiet operation since the fan does not spin at low loads and when the PSU's temperature is low, High manufacturing quality, Fully modular, 7 years warranty
  • Cons: Loose voltage regulation at 3.3V, but still within 5% range
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Corsair Professional Series Gold AX850 PSU Review

PC Perspective
6 November 2010
  • Excerpt: Corsair Memory continues to expand their PC power supply offering with the introduction of the Professional Series Gold line of power supplies, which currently include three models: the AX750, AX850 and AX1200.  All Corsair Professional Series Gold power supplies have been designed with performance, quality, reliability and energy-efficiency in mind.
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Corsair AX850 850W Power Supply Review

[H] Enthusiast
7 October 2010
  • Summary: While the Corsair AX850 marks the 11th power supply from Corsair that we have reviewed it also marks the 3rd 850W power supply from Corsair that we have reviewed to date. The previous HX850 from Corsair's "professional" series was an excellent product while the lower end TX850 was a good entry level 850W product.
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Corsair AX850 850W Power Supply Review

7 October 2010
  • Summary: Corsair has quickly become one of the computer hardware enthusiast's favorite power supply brands by building and designing some of what have become the best PSUs in the world. Does the new 850 watt AX850 stand up to the already high bar set by Corsair?
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Expert Review

Silent PC
22 September 2010
  • Summary: Corsair power supplies have been winning praise from web tech reviewers since day one. The AX850 is certainly no exception. It is a winning power supply in every way — electrical performance is tops, efficiency is high enough for 80 Plus Gold, the build quality is fantastic, the completely detachable cables are a breeze to work with, the 7-year warranty is the industry's longest, and the noise level is vanishingly low at almost every power level.
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Corsair AX850

11 September 2010
  • Excerpt: The Corsair AX850 power supply comes in a box that is 15.5" long. That's 390MM!  And wow! Talk about setting the bar high. "Mission-critical stability", "one of the best", "90% efficiency at 50% load".... That's why we're here today folks!
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Corsair AX850W Power Supply Review

Hardware Secrets
3 September 2010
  • Summary: The new Corsair AX850W is an outstanding power supply. During our tests it achieved very high efficiency, peaking above 90%, voltages very close to their nominal values (3% regulation instead of the traditional 5% regulation), extremely low noise and ripple levels, and a more than adequate number of connectors for an 850 W product.
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Overall 10

Corsair AX-850

29 April 2011
  • Summary: Corsair con questo prodotto ha indubbiamente centrato il bersaglio; non siamo ai livelli di tecnologia visti nel modello AX-1200, ma dobbiamo ricordare la diversa tipologia di utenza a cui i prodotti sono destinati. Regolazione di tensione praticamente perfetta, efficienza a livelli esemplari, completamente modulare, fanless fino al 20% di carico e poi comunque molto silenzioso, esteticamente gradevole, a questo punto, manca solo il prezzo...
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Expert Review

28 April 2011
  • Excerpt: Złoto nadal w modzie i trend ten w najbliższym czasie się nie zmieni, przynajmniej pośród producentów zasilaczy. Rynek powoli zalewają coraz to nowsze konstrukcje certyfikowane znaczkiem "80PLUS Gold", który wyróżnia najefektywniejsze zasilacze przeznaczone na rynek konsumencki. Takie jednostki pojawiły się również w ofercie Corsaira pod postacią trzech modeli - AX750, AX850 i AX1200.
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