Antec Solo II: The Legacy Lives On

Cases|Damping
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Configuration 1: Radeon HD 3300 IGP

The first test configuration used the motherboard's built-in graphics.


HD 3300 IGP test system.


System Measurements
System State
Idle
CPU + GPU Load
System Fan Speed
7V
9V
CPU Fan Speed
9V
12V
9V
CPU Temp
30°C
52°C
47°C
51°C
SB Temp
33°C
40°C
40°C
38°C
HD Temp
34°C
37°C
37°C
37°C
SPL@1m
17~18 dBA
18~19 dBA
19~20 dBA
20 dBA
Ambient temperature: 24°C.

Our IGP test system was very quiet at idle, measuring 17~18 dBA@1m with the CPU fan at 9V and the system fan at 7V (same as setting it to "low"). On load, the CPU, Southbridge, and hard drive temperatures rose by 22°C, 7°C, and 3°C respectively, and the system noise level went up by 1 dB (caused by the power supply fan ramping up). Cranking up the CPU fan to 12V was more effective than speeding up the system fan to 9V, cooling down the processor by 4°C and with less additional noise.

Note: We also tested the hard drive hard-mounted, but omitted the results for brevity as there were no differences in thermal performance and only a half a decibel increase in noise, which is also negligible.


Our HD 3300 IGP test system measured 18~19 dBA@1m on load with the stock fans at 7V and CPU fan at 9V.

With the stock case fan being so quiet and the hard drive suspended as not to cause any vibration, the resulting noise was more than satisfactory. The system emitted a gentle hum that was entirely inconspicuous; it wasn't inaudible, but easy to ignore even in our very quiet home office environment.

IGP Configuration Comparison (Load)
Case
NZXT H2
Antec Solo II
Fractal Define R2
CM Silencio 550
System Fan Speeds
rear & fronts @low
rear @low
rear & front @12V
rear & front @12V
CPU Temp
51°C
47°C
51°C
51°C
SB Temp
38°C
38°C
38°C
41°C
HD Temp
37°C
35°C
34°C
31°C
SPL@1m
19 dBA
19~20 dBA
19~20 dBA
19~20 dBA
CPU fan set to 12V.
Ambient temperature: 22°C.

Competing against recently tested "quiet" cases, the Solo II does quite well, equaling the Fractal Define R2 in noise level while maintaining a 4°C advantage in CPU temperature. It also compares favorably to the NZXT H2 which while quieter by 1 dB, had higher hard drive and CPU temperatures due to its lack of airflow. Most impressive of all is the Solo II accomplished all this with just a single system fan. Note, too, that all the other cases position the PSU at the bottom.



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