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Review: Corsair HX850 power supply put to the test: how good is it?

by Tarinder Sandhu on 12 June 2009, 08:44 3.75

Tags: HX850, Corsair

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A look at the PSU

The 140mm fan dominates the underside of the PSU. It's reckoned to be practically silent (~25dBA) until the required load hits 525W, rising to around 35dBA at 850W.

The HX850 is a modular PSU but, as always, certain connectors are pre-plumbed into the supply - 24-pin ATX, 8-pin EPS, and two 6+2 PEGs.

PSU efficiency is a touch higher with a 230V AC supply. The HX850 hits very close to 90 per cent at ~450W.

The modular cables are presented in a pouch and the overall set is, from what we can tell, the same as the HX1000's. A second 8-pin EPS connector enables you to hook up dual-CPU boards, and there are enough Molex connectors to power an esoteric rig.

It's sensible to include a number of PCIe and SATA connectors on such a supply, and Corsair's arrangement is just above average for the industry.