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Posted 20 hours ago

Corsair HX850 850 W Full Modular 80 Plus Platinum 135 mm Fan ATX Power Supply Unit - Black

£79.975£159.95Clearance
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About this deal

Build quality is high, as we would expect, and the paint work is quite deep and doesn't scratch easily. Corsair promises the same great performance that the unit is almost legendary for so read on as we take an in-depth look into the new Corsair HX850. Also note that our ambient temperature is a little higher than the 25 °C recommended by the directive.

Built with all Japanese 105°C capacitors, they're a great choice for high performance PCs where reliability is essential. We managed to get the power supply to deliver 917W before it would shut down, delivering around 82W more than rated specifications. We take the issue of noise very seriously at KitGuru and this is why we have built a special home brew system as a reference point when we test noise levels of various components. Corsair serves up close to 71A on the +12V rail, 3A for the 5VSB rail, and 150W maximum combined power for the minor rails.Please provide your contact information and any other relevant details and a member of our team will contact you shortly. Quiet, efficient operation: 80 PLUS Platinum efficiency reduces operating cost and excess heat, and Zero RPM fan mode ensures virtual silence at low and medium loads. Today to test the power supply we have taken it into our acoustics room environment and have set our Digital Sound Level Noise Decibel Meter Style 2 one meter away from the unit.

DC output quality is a whole different ball game and where we are seeing differences between the good and the great power supplies. This power supply is a pure modular design so all the cables, including the main ATX cable are in the black felt bag inside the box.

Inside the box, alongside the power supply is a user manual, regional specific power plug, warranty guide, and a soft bag of modular cables. The biggest difference between the HX and pricier HXi models is the former's lack of a digital interface, meaning they don't get the benefit of partial fan control and monitoring through the Corsair Link software. Credit subject to status, UK residents only, British Telecommunications Public Limited Company acts as a broker and offers finance from PayPal Credit. In addition there're 5 12v connector ports on the PSU, 2 CPU and 3 GPU cables would fill this out nicely. At TechNextDay, we’re not only a seller of PC components, but also a partner in your passion for computing.

About 20% of the units we have tested seem to have found the sweet spot of 1%-2% regulation and the Corsair HX1050 is right in that sweet spot. There are also a few highlights of other features such as the single rail design and quality of build.

Its not quite at the same 12 year level as Seasonic, but it is still a very long time to keep a power supply in operation.

Conceived back in 2004 and brought to market just a year later, the 80 PLUS initiative is one of many standards introduced in an effort to increase energy efficiency in modern technology.IIRC they have a MTBF of 100,000 hours (or maybe 70,000 for some models) - which nominally is around 11 years of constant use depending on things like temperature. And with the proliferation of new high end boards expecting 8+4 or 8+8 CPU power connections only 1 would be a poor fit for the enthusiast market. at 50% load) and thanks to the new internal design and updated Type 4 cables, ripple suppression is excellent. The insulation material is probably not used mainly for protection but to prevent electromechanical vibrations that would result in noise (also known as “coil whine”). the chances of catastrophic failure or needing to replace the PSU after 10 years or so on the dot has significantly diminished.

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