Arctic Cooling Accelero S1 VGA Cooler

Cooling
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ACTIVE COOLING TEST RESULTS

We had not yet received the Turbo Module from Arctic Cooling, but we did have a variety of 80mm, 92mm and 120mm fans to choose from. We went straight for a Nexus 120mm as there was no compelling reason to try a smaller fan. Users savvy enough to add their own quiet fan would surely choose a 120mm as well. Some thick double-sided tape was applied to the corners to keep the fan from being in direct contact with the fins and to accomodate the plastic spacers. Each corner was strapped tightly to the S1 with zip-ties.


A Nexus 120mm fan strapped to the S1.



A marriage of silent cooling prowess.


Comparison: Zalman VF1000 LED vs. Accelero S1 + Nexus 120 fan
Zalman VF1000 LED
Fan Speed
Accelero S1 (Nexus 120mm)
System Noise
GPU Temp.
VGA Amb.
System Noise
GPU Temp.
VGA Amb.
20 dBA
76°C
56°C
5V
<20 dBA
67°C
57°C
22 dBA
74°C
55°C
7V
21 dBA
64°C
54°C
24 dBA
72°C
54°C
9V
22 dBA
53°C
29 dBA
70°C
53°C
12V
23 dBA
63°C
52°C
Note: Ambient temperature during VF1000 testing was 1°C lower.

Compared to our previous champion, the Zalman VF1000, the S1 with Nexus 120mm fan was clearly superior. At each fan speed level, the noise output was lower and more pleasing to the ear. The temperature results were impressive to say the least. With its fan at full blast, the VF1000 could not match the performance of the S1 and Nexus 120 fan even at an inaudible 5V. Only a marginal amount of direct airflow was needed to push the S1 straight past competency and into first-class status — increasing the fan speed past 7V was pointless as there was no significant improvement.



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