Lian Li PC-Q18: The Perfect Mini Server Case?

Cases|Damping
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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.

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.

Stock Fan Noise Level
Fan
SPL @1m (dBA)
5V
7V
9V
12V
Front Intake
12
16
20
25
Rear Exhaust
12~13
15~16
21
26~27
Combined
13~14
20
23~24
29
Measuring mic positioned 1m at diagonal angle left/front of case.

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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