The SilverStone Permafrost PF120, PF240, and PF360 ARGB AIO Coolers Review
by E. Fylladitakis on June 17, 2020 10:00 AM ESTThermal Resistance VS Sound Pressure Level
During our thermal resistance vs. sound pressure level test, we maintain a steady 100W thermal load and assess the overall performance of the coolers by taking multiple temperature and sound pressure level readings within the operating range of the stock cooling fans. The result is a graph that depicts the absolute thermal resistance of the cooler in comparison to the noise generated. For both the sound pressure level and absolute thermal resistance readings, lower figures are better.
In these graphs, we can see where SilverStone’s new Permafrost coolers really stand out. Although the PF 240 and PF 360 do not break any thermal performance records directly, it can be seen that they can offer the same level of thermal performance at a significantly lower level of noise. The PF 360 in particular is almost unaffected by the speed of its fans while these spin above 1200 RPM, with any increase in speed resulting in minuscule thermal performance gains, meaning that the massive cooler can retain most of its performance even if its fans are rotating at half speed. The PF 120 is very different compared to its larger siblings, being unable to match them in terms of performance no matter how quickly the single 120 mm fan spins, but it also cannot ever get too loud, maxing just above 36 dB(A) with the fan at maximum speed.
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