Cooler Master MasterBox NR400 Review

March 19, 2019 | 11:45

Tags: #case #chassis #sff #small-form-factor #tempered-glass #tower-case #tower-chassis

Companies: #cooler-master

Test Setup

Because of the CPU cooler height limitation on this case, our standard ATX test kit is unsuitable, so we've had to use one of our small form factor test systems. We have two near-identical but physically different systems with which to perform thermal tests. The key difference is the height and design of the CPU cooler; one system uses a low-profile, downdraft cooler while the other uses a tower cooler, albeit a rather short one, with a standard front-to-back airflow. We test each small form factor case with the appropriate system depending on the cooler it can support. While this does mean you'll see mini-ITX cases compared to micro-ATX ones in the same charts, it allows us to test cases with the cooler style they were designed for, which is important for air-cooling.

As this case supports tower coolers, we're using our standard small form factor case test kit, which includes:

We disable the motherboard's onboard CPU fan control and all CPU power management features. The CPU fan is fixed at 7V with an adaptor while the graphics card fan is locked at 70 percent speed using MSI Afterburner. The system is loaded using Prime95 25.11 and Unigine's Heaven 4.0 benchmark. We use CoreTemp and GPU-Z to monitor the temperatures, taking the maximum values after 15 minutes - enough time for the readings to plateau.

Cooling Performance

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