Our maximum speed testing is performed with both the fans and the pump of the kit powered via a 12V DC source. At this voltage, the speed of the pump and the fans should match the manufacturer’s ratings. DEEPCOOL specifies that the TF120 fans have a maximum speed of 1800±10% RPM. Our tachometer indicated a speed of 1680 RPM, which is a bit on the low side but still fully inside the manufacturer’s specifications.
Our testing of the DEEPCOOL Captain EX 240 RGB was unsurprising, with the cooler’s thermal performance being very similar to that of most other equally sized AIO coolers. With the fans running at their maximum speed, the Captain EX 240 RGB has an average thermal resistance of 0.0824 °C/W, placing it higher than most dual 120 mm fan coolers. The average thermal performance of the Captain EX 240 RGB falls right in between the Zalman Reserator 3 Max Dual and the Fractal Design Celsius S24.
| Core Temperature, Constant Thermal Load (Max Fan Speed) |
Although the Captain EX 240 RGB does not land on top of our thermal performance charts, the acoustics performance of the cooler tells an entirely different story. Apparently, DEEPCOOL’s unique fans were not really meant to improve the thermal performance of the cooler but to significantly reduce its noise output instead. The maximum noise output of the Captain EX 240 RGB was 39.6 dB(A), which is second only to that of the Fractal Design Celsius S24.
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