Cooler Master V850 850W Modular Power Supply Review

Installation & Testing
Installing the V850 is very easy. With this being a fully modular power supply it is easy to install it and only use the cables that you need.

Cooler Master V850 850W Modular Power Supply Cooler Master V850 850W Modular Power Supply

We will be testing the Tachyon 750W in our Intel X79 system, which is comprised of the following components.

Processor: Intel Core i7-4960X Extreme Edition
Motherboard: ASUS P9X79 Pro
Video Card: NVIDIA GeForce GTX 680
Memory: 16GB Kingston 10th Anniversary
Power: Cooler Master V850
Storage: 750GB SATA Drive
Cooling: Noctua NH-U12S
Case: Cooler Master Cosmos II with 5 fans

We will be using OCCT to test this power supply. Initial spot check on the 3.3V, 5V and 12V rails were 3.31V, 5.04V and 12.19V respectively. We will be running OCCT’s power supply test for 1 hour to stress test the power supply. Below are the results.


2013-09-30-12h00-Voltage-+3.3 V


2013-09-30-12h00-Voltage-+5 V


2013-09-30-12h00-Voltage-+12 V

Some very impressive results here. For the most part the 12V and 3.3V rails were solid throughout the test. The 12V rails actually stayed the same when full load was put on the system! The 5V rail did show the most “ripple” For those interested the voltage regulation on the 3.3V and 5V rails were 0.60% and 0.79% respectively. Good to see the 12V rail perform so well and the other rails under 1% deviation.

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