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Ultra X4 600W Power Supply Review


Closer Look (The Power Supply):

A plain and simple satin black paint finish is all you get with the Ultra X4 600W power supply and, if you haven't already noticed, there are no captive cables.















The rear of the power supply showing the hexagonal holed exhaust grill, mains on/off switch, and IEC mains input connector. The modular cable connectors are all mounted on what looks like a black painted brushed metal panel attached to the power supply by five fixing screws. The modular cable connectors reflect their actual usage and there should be little doubt what goes were when it comes to installation. All the connectors are keyed differently to further simplify installation.



Both side panels on the Ultra X4 600W power supply carry the Ultra X4 logo pressed into the metal.



The top of the Ultra X4 600W power supply showing the specification label, warranty seal, and production test labels. The 135mm fan is covered with a matching black grill which carries the Ultra X4 logo, in silver and black, at its center.



You get quite a few modular cables with the Ultra X4 600W power supply, with a 4-pin peripheral to dual fan header adapter cable thrown in for good measure. The cable sleeving is held in place with heat shrink covered cable ties so sleeve slippage shouldn't be a problem. The PCI-E connectors are labeled to avoid confusion with the ATX12V and EPS12V cables and each connector of the 24-pin motherboard cable is labeled so its orientation is clear.


The 135mm cooling fan is an Ultra stickered 12V DC unit with a model number of DFS132512H almost certainly manufactured by Young Lin Co. Ltd. The power supply itself, going of its UL number of E239028 is manufactured by Taiwan based Andyson International. The printed circuit board is well laid out but a little untidy in places with some poorly soldered joints especially on the rear modular connector board.



The main 390uF 420V electrolytic smoothing capacitor is by Teapo and rated at 85°C with the remainder, the manufacturer of which I didn't recognize, rated at a more welcome 105°C operating temperature.



The Ultra X4 600W power supply is packaged very well and comes with a great set of accessories. The build quality externally is  good but once inside the printed circuit board layout is tidy but some of the soldering, although appearing sound, is poorly done. The features and specifications are next and then let's see how it performs.

  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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