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Results

Stability

Nexus RX-8500 Results

From the results it’s evident that the Nexus RX-8500 has a very stable 5V rail with it performing the best. However, the 12V and 3.3V rails are way out compared to the Commander and Signature’s.

Efficiency

  PF Standby PF Idle PF Load Watts Standby Watts Idle Watts Load
Signature 650W 16 84 91 7 94 139
Commander 850W 24 77 85 9 98 142
RX-8500 850W 20 70 81 6 96 142

Even though the RX-8500 has an active PFC (power factor correction), its power factor wasn’t the best we’ve recorded. In terms of wattage, it performed 2nd best with the Signature 650W winning overall.

Noise

Throughout testing, the fan made a whiney sort of sound. This noise is the bearings inside the fan rubbing. In time – after one week for us – the bearings wear themselves in. The Power Supply is then very quiet – quieter than our 120mm case fans.

Cost

The Nexus RX-8500 sells for £122 online. For a modular 850W unit this isn’t bad at all.

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