Enermax Platimax D.F. 1200W 80 Plus Platinum Power Supply Review: Page 6 of 7

Posted by Damon Bailey on Tuesday, November 27, 2018 - 8:00am

Testing & Performance

 

CPU: Intel Core i9-9900k

Motherboard: ASUS ROG Strix Z390-E

RAM: 32GB Corsair Dominator Platinum 3200Mhz

GPU: Nvidia RTX 2080 Ti Founders Edition

SSD: Samsung 960 PRO 2TB

OS: Windows 10 Professional X64

 

We’ll start out saying we aren’t equipped to do extremely detailed electrical analysis required to pick apart a modern power supply. It takes laboratory grade dedicated equipment so we’ll have to make do with some less precise testing.

Enermax Platimax D.F. 1200W 80 Plus Platinum Power Supply

While we normally use a good Fluke Digital Multi-meter, we’ve found the onboard monitoring solutions in modern motherboards to be quite accurate and able to be easily logged with utilities like HWiNFO.

Enermax Platimax D.F. 1200W 80 Plus Platinum Power Supply

Next, we’ll look at ripple on the rails with our Owon VDS-1022/I Digital USB Oscilloscope.

Enermax Platimax D.F. 1200W 80 Plus Platinum Power Supply

 The +12V rail under a stress test load registers a peak of 12mV peak to peak ripple. While not the best on the market, this is a fairly decent result. You can see a few small spikes here and there making up the 12mV ripple, the actual average ripple is quite low, almost beyond our ability to measure it.

Enermax Platimax D.F. 1200W 80 Plus Platinum Power Supply

 The 5-volt rails fairs about the same at around 14mV of ripple peak but also averages much lower.

Enermax Platimax D.F. 1200W 80 Plus Platinum Power Supply

The 3.3V rail does an almost flawless job with only 2mV of ripple. This is really pushing the limits of what our lower cost O-scope can even pick up. Modern systems typically put very little load on the 3.3V rail.

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