140mm PWM Computer Case Fan 3-Pack Black J32903

STANDARD CASE FAN:140x140x25mm 140mm pwm black fan quiet silent 12v dc 0.21A cooling fan for the replacement of standard computer case fan ,gaming PC fan ,CPU cooler fan or other electronics equipment heat sink radiator. Fan speed can be adjusted by using different voltage (5-12V) ,it can work at lower voltage to achieve silent effect. 4-PIN CONNECTOR: 140mm 4Pin 2510 connector 12 volt fan for easy installation. 4Pin PWM computer fan fit for 4pin CPU PWM fan port or water-cooling radiator, 4pin motherboard power port to suitable for more than 2 kinds of 140mm fan using.  ANTI-VIBRATION SCREWS: Besides 4pcs normal screws, this 14cm dc fan 12v has extra 4pcs anti-vibration silicone screws packed together for reduce noise between fan and PC case.  PACKAGE INCLUDED: 12 volt 140mm long life sleeve bearing pwm case fan x 3 ,Silicone screws x 12, fan screws x 12.  100% 90 DAY MONEY BACK : If you are not satisfied for any reason, simply return your product for a full refund, no questions asked. You have nothing to lose.