Antec Solo II: The Legacy Lives On

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System Components:

Measurement and Analysis Tools

System temperatures and noise levels were recorded with SpeedFan and GPU-Z at idle and on load using CPUBurn (K7 setting) and FurMark, an OpenGL benchmarking and stability testing utility.

Baseline Noise

The Solo II ships with a single 120 mm fan, an Antec TrueQuiet 120. Compared to the old TriCool, it has a smaller hub, longer fan blades with more curvature, curved struts like the Scythe Slip Stream series, and silicone padding over the mounting holes. According to the spec sheet, it's a 0.12A, 19.9 dBA, 35.8 CFM model, running at 1000 RPM (600 RPM when the fan controller is set to 'low'). We used this fan in our Silent Mid Gaming PC Build Guide last year, describing its noise as having "a smooth, benign character at all speeds." The sample from the Solo II was tested here.

The TrueQuiet 120.

TrueQuiet 120 Noise Level
Voltage / switch
SPL @1m
12V / High
980 RPM
19 dBA
9V / High
740 RPM
14 dBA
7V / High
550 RPM
12 dBA
12V / Low
540 RPM
12 dBA
Measuring mic positioned 1m at diagonal angle left/front of case.

In open air, the TrueQuiet 120 fan lives up to its name with a very smooth pleasant profile at low speed and just a touch of whine at full speed. Inside the case with the side panel closed, it is exceptional, measuring just 19 [email protected] at full speed. Undervolting or using the low setting on the built-in switch made the fan almost inaudible, 14 [email protected] at 9V and a scant 12 [email protected] at 7V (same at "low" speed setting at 12V).

At full speed, the stock fan measured just 19 [email protected]

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