Fractal Design Arc Mini R2 MicroATX Tower

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System Configuration:

Measurement and Analysis Tools

System temperatures and noise levels were recorded with SpeedFan and GPU-Z at idle and on load using Prime95 (large FFTs setting) and FurMark, an OpenGL benchmarking and stability testing utility.

Baseline Noise

The Arc Mini R2 inherits the same dual rear/front 1200 RPM 120 mm fans from the Define Mini, but also sports an additional 140 mm model secured to the ceiling. The Define Mini also had a variable fan controller at the back, whereas the Arc Mini R2's controller is located at the front as has three set speeds.

Baseline Noise Level ([email protected])
Fan Speed Setting
SPL @1m
16 dBA
22 dBA
32 dBA
Measuring mic positioned 1m at diagonal angle left/front of case.

As all the fans belong to the Silent R2 series, their acoustics are similar. The top and rear fans are pleasantly smooth with a some bearing chatter audible close-up but inside the case with the side panels running interference, it's impossible to detect. The front fan has a tendency to click, but this is a result of the intake fan mount rather than the fan itself. We encountered the same issue with the Define Mini.

Together, the overall sound quality is above average compared to most stock case fans and the controller's preset speeds offer a decent range to suit individual needs, though obviously we would prefer more granular control. At 5V, the total SPL was a very quiet 16 [email protected], while at 7V, it measured 22 [email protected] which is still fairly reasonable. If you're running hotter, high-end hardware, 12V may provide the cooling you're looking for but at a heavy acoustic cost.

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