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TESTING
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 (small FFT setting) and FurMark, an OpenGL
benchmarking and stability testing utility.
Baseline Noise
Stock fan.
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The PC-Q08 shipped with transparent LED fans which seemed out of place for a server style case, so it's nice to see the PC-Q18 using the plain black variety. The LanCool PC-K59 uses the same model as intakes, a 14 cm fan with a nominal speed of ~1,000 RPM and generally inoffensive acoustics, at least in open air.
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Stock Fan Noise Level
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Fan
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SPL @1m (dBA)
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5V
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7V
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9V
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12V
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Front Intake
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12
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16
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20
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25
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Rear Exhaust
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12~13
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15~16
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21
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26~27
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Combined
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13~14
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20
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23~24
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29
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Measuring mic positioned 1m at diagonal angle left/front
of case.
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Mounted inside the case, the fans have a muddier character, particularly the top fan which produced a noticeable rattle. The front fan too was a little clicky, but this was only audible at close proximity. While the overall noise character wasn't great, it was actually an improvement over the PC-Q18's predecessor. The PC-Q08's side panels shook audibly from the vibration caused by the fans alone; the PC-Q18 didn't suffer from this.
At 7V, the stock fans generated a noise level of 20 dBA@1m.
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