Cooler Master V750 80+ Gold Fully-Modular Power Supply Review: Page 6 of 7

Posted by Damon Bailey on Thursday, May 23, 2019 - 8:00am

Testing

CPU: Intel Core i9-9900k

Motherboard: ASUS ROG Maximus XI Formula

RAM: 32GB HyperX Predator RGB 3200Mhz

GPU: Nvidia RTX 2080 Ti Founders Edition

SSD: OCZ RD400 512GB

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.

Cooler Master V750 80+ Gold Fully-Modular Power Supply Review

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.

Cooler Master V750 80+ Gold Fully-Modular Power Supply Review

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

Cooler Master V750 80+ Gold Fully-Modular Power Supply Review

 The +12V rail under a stress test load registers a peak of 120mV peak to peak ripple.

Cooler Master V750 80+ Gold Fully-Modular Power Supply Review

 The 5-volt rails fairs about the same at around 120mV of ripple peak but also averages much lower.

Cooler Master V750 80+ Gold Fully-Modular Power Supply Review

The 3.3V rail does a decent job with 160mV of ripple. Modern systems typically put very little load on the 3.3V rail.

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