GELID Solutions Silent 4 40mm 12V Case Fan, 3 Pin Molex, 4200 +/- 10% RPM, 18.9 dBA, RoHS Compliant, Model: FN-SX04-42 Evercool EC4015SH12BA 3-Pin High Speed Fan, 40x40x15mm, Dual Ball Bearing Evercool EC4028HH12BP 4-Pin PWM Fan, 40x40x28mm, Dual Ball Bearing, Low Noise and High Airflow, Low Pollution Evercool EC4020SH12BP 4-Pin PWM Fan, 40x40x20mm, Dual Ball Bearing, Low Noise and High Airflow, Low Pollution Evercool EC4015SH12BP 4-Pin PWM Fan, 40x40x15mm, Dual Ball Bearing, Low Noise and High Airflow, Low Pollution Evercool EC4007M05CA 40mm 5V Ball Bearing Brushless DC Fan, 4500rpm, <25dBA, OEM Evercool EC4020M12C 40mm 12V 4-pin Molex Ball Bearing DC Fan, 5000 RPM Black EverCool 40mm Fan, 12000RPM, 18.94CFM, 3-Pin, Model: EC4028HH12BA Evercool EC4020H12CA 40mm 12V 3-pin Ball Bearing DC Fan, 5500 RPM Sunon KDE1204PFV2-4 40mm 12V 4-pin Vapo Bearing DC Fan, 5800 RPM Evercool EC4020M12CA 40mm 12V 3-pin Ball Bearing DC Fan, 5000 RPM Evercool EC4007M12CA 40mm 12V Ball Bearing DC Fan, 5500 RPM Evercool 40mm Case Fan, 12V, with Male / Female 4 Pins, EC4010M12C, Low Noise and;#60;21dBA, 5000 rpm, OEM SilenX iXtrema Pro 40mm Computer Case Fan, Lower Noise, 3000 RPM, 3 Pin w / 4 Pin Adapter, SKU: IXP-13-14 Sunon KD1204PKB2-3 40mm 12V 3-pin Dual Ball Bearing DC Fan, 6200 RPM SilenX iXtrema Pro 40mm Computer Case Fan, Lower Noise, 3500 RPM, 3 Pin w / 4 Pin Adapter, SKU: IXP-11-14