Noctua NF-A4x20 FLX

The Noctua NF-A4x20 FLX fan features an SSO2 bearing and reaches speeds of 5000 ± 10% RPM, delivering airflow up to 9.4 cubic meters per hour, static pressure up to 2.26 mm H2O, and a noise level of 14.9 dB. Maximum power consumption is 0.6 W at a nominal voltage of 12 V. The fan measures 40x40x20 mm with mounting hole spacing of 32x32 mm. The package includes a low-noise adapter (LNA), an ultra-low-noise adapter (ULNA), a 30 cm cable extension, an OmniJoin adapter set, NA-AV3 anti-vibration mounts, and installation screws.