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Xigmatek NRP-PC502 500W Power Supply Review


Closer Look:

The Xigmatek NRP-502 power supply with its grey metallic finish and cables neatly held with a Velcro strap:









Honeycombed exhaust grill, mains on/off switch and IEC mains input on the rear and extra exhaust ports on the front face along with cable exit port are shown below. There is no grommet fitted to the cable exit port, but the edges are folded over so there is no chance of any cable damage. I would like to point out once again that the mesh cable sleeving goes all the way into the unit.



The only difference between the Xigmatek NRP-502 500W unit and its smaller 400W brother is the specification label.



On the bottom of the NRP-PC502 is a large cooling fan, sure to do its part in keeping the internal components cool, as well as helping exhaust warm air from the chassis. The top side does not feature any venting to help with removing the heated air inside the PSU.



This power supply is a non modular design. As such, all of the cables are hardwired to the printed circuit board inside the PSU. An added bonus is the fact that all of the cables are sleeved, not just the 24-pin and 8-pin connections.


The large cooling fan is manufactured by Young Lin Tech and is 135mm in diameter. An internal photograph of the tidy, well laid out printed circuit boardis below. The printed circuit board looks identical to the one fitted in the 400W variant, but without closer inspection involving component removal it's hard to say whether any changes have been made.



Once again this Xigmatek unit is well made, so lets move on and have a look at the specification and features.


  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specification & Features
  4. Testing: DC Voltage Load Regulation At 110VAC & 230VAC
  5. Testing: Efficiency, Power Factor & DC Quality
  6. Testing: Temperature, Noise Level & Fan Speed
  7. Conclusion
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