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Enermax NAXN 850W Power Supply Review

Enermax are using a Globe Fan, model number RL4Z B1352512H. This is a ball bearing fan with a maximum rated rotation speed of 1,500 rpm. We have seen this fan used in other power supplies such as those by OCZ. It is a common choice within Sirtec manufactured supplies. The fan runs for between 30 to 60 seconds after the power supply has been shut down to help dissipate the remaining system heat. This feature is not implemented on the 350W/450W and 550W models.

The power supply incorporates several rows of large heatsinks which will help ensure optimal running temperatures.

All models in the NAXN range are based on an improved 5V standby circuit to reduce the energy loss by about 20 percent and to support ErP Lot 6. We are pleased to see high quality 105c Rubycon capacitors used in the design. The power supply supports multiple protection across OVP, UVP, OPP, SCP and SIP.

The cables are fully sleeved inside the chassis with cable ties, there is also a rubber protective strip across this section to ensure long term safety and protection against fraying.

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7 comments

  1. I always buy enermax, this is my next PSU purchase.

  2. I think thats the same fan that was in the OCZ 1000W PSU I bought years ago. it was quite quiet.

  3. Interesting, especially warranty terms ive been looking into this today and many manufacturers vary from 1 year to 8 years!

  4. Enermax are normally very expensive, this seems slightly better priced

  5. Enermax don’t make it that’s why its cheaper, its their badge just

  6. I have always owned enermax power supplies, they are very reliable.

    I am sure others are, but I tend to stick with a company if I get a good experience

  7. This is really nice, and the price is good. shall bookmark it for the summer when I upgrade. unless something else better comes out at 110-120.