Top Motor DF127720BM 77mm x 20mm Single Flange 2 Ball Bearing 4 Pin CPU Fan NEW!
Top Motor DF127720BM 77mm x 20mm Single Flange 2 Ball Bearing 4 Pin CPU Fan NEW!: Computers & Accessories. Buy Top Motor DF127720BM 77mm x 20mm Single Flange 2 Ball Bearing 4 Pin CPU Fan NEW!: CPU Cooling Fans - ✓ FREE DELIVERY possible on eligible purchases. Great Quality Fan for 77mm Low Profile PWM CPU fan replacement! 。 Voltage: 12 volt 0.50A Noise: 13dBA -45.8 dBA 。 Speed: 1000-4500 rpm Airflow: 10-45 CFM Bearings: 2 Ball 。 Connector: 4 Pin PWM (8" leads) 。 Dimensions: 77mm x 77mm x 20mm (Screw holes are 63mm from center) 。 This is a powerful fan, it's default setting is on full speed, and it's not quiet at full speed. No PWM fans are. With the proper PWM control working, you won't likely experience full speed very often. If you aren't familiar with how the PWM function works, you might want to google it and make sure your bios supports it or your probably going to be experiencing loud fan volumes. The fan is 77mm wide from outside edges, the screw holes are 3mm from the center of the holes. 。 。 。