XF051 | 140 mm | Type Fan | Suitable location Computer case | Rotational speed (max) 700 RPM | Noise level (high speed) 30 dB | Maximum airflow 62.05 cfm | Pulse-width modulation (PWM) support Yes | Number of fans 1 fan(s) | Fan connector 4-pin
XF042 | 120 mm | Type Fan | Supported processor sockets Not supported | Compatible processor series Not supported | Suitable location Computer case | Rotational speed (max) 1500 RPM | Noise level (high speed) 28 dB | Maximum airflow 57.9 cfm | Pulse-width modulation (PWM) support Yes | Colour Black/Red | Number of fans 1 fan(s) | Fan connector 4-pin | Noise level 28 dB