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Accelero S1 Results
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S1 mounted with two Nexus 92 mm fans attached using plastic twist-ties.
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Due to the VRM problem encountered with the Musashi, it was clear that our
previous favorite, the Accelero S1 also needed two fans to cool both the GPU
core and VRM area. We equipped the S1 with a pair of Nexus 92 mm fans and we
also tried a couple of Scythe 100 mm fans (SY1025SL12M) as they are cheaper
and more widely available. The Musashi's memory and VRM heatsinks were reused.
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Accelero S1 (2 x Nexus 92mm)
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Fan Voltage
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SPL@1m
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Avg. GPU Temp
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Avg. VRM Temp.
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CPU Temp.
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12V
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16 dBA
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79°C
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141°C
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57°C
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10V
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15 dBA
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82°C
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151°C
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58°C
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Accelero S1 (2 x Scythe 100 mm)
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10V
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17 dBA
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77°C
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139°C
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57°C
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9V
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16 dBA
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80°C
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146°C
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57°C
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8V
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15 dBA
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80°C
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154°C
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58°C
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The S1 was able to cool our test card adequately and quietly using both sets
of fans. The Nexus fans, despite their slight size disadvantage delivered better
VRM temperatures at equivalent noise levels however. GPU core temperatures were
about the same.
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Comparison: Average GPU / VRM Temperature
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SPL@1m
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Scythe Musashi
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Arctic Cooling Accelero S1
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2 x Nexus 92mm
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2 x Scythe 100 mm
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17 dBA
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82°C / 144°C
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77°C / 139°C
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16 dBA
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79°C / 141°C
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80°C / 146°C
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15 dBA
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83°C / 149°C
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82°C / 151°C
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80°C / 154°C
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The Accelero S1 installed with two full-sized 25 thick fans is a four-slot
solution, taking up almost twice the space of the Musashi. Despite the size
advantage, the Musashi holds its own. At the 15 dBA level, its performance is
equivalent to the S1/Nexus combination. At 17 dBA, it performs 5°C worse
than the S1 using Scythe fans.
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