MSI APA1225M12 Black 120mm OEM PWM Fan Dual Ball Bearing | PCBoost. MSI APA1225M12 Black 120mm OEM PWM Cooling Fan — Dual Ball Bearing, Designed for MSI MAG CORELIQUID. The APA1225M12 is a 120mm PWM cooling fan primarily used in MSI liquid cooling systems, such as the MAG CORELIQUID 240R and 360R.