1. [Superior Silent Fan] MFDB fan has eight soft silicone pads at the 4 corners to absorb vibration at high speed. The maximum noise is only 25.5dBA, equivalent to the sound of falling leaves. Let you refuse noise disturbance while working or gaming.
2. [Efficient Hydraulic Bearing] The cooling fan utilizes ultra durable MFDB dynamic pressure bearing bearings. Adopting low friction coefficient magnetic levitation bearing technology, it has a longer service life than traditional bearings, and the bearing life can get more than 10,000 hours.
3. [PWM Intelligent Temperature Control] It can dynamically control the fan speed in the range of 800‑2500rpm to reduce noise. 4pin PWM pin can be inserted into SYS_FAN pin.
4. [7 Leaves Design] 7 high pressure fan leaves can deliver up to 26.5CFM airflow at 2500PRM. case fan focuses on improving performance, delivering stable aerair pressure and powerful airflow.
5. [Easy Installation] Computer fan is compatible with all types of chassis, easy to install. Humanized power supply interface design, start to install and use, hole spacing of 72MM (Note: hole spacing is the distance between the center of the two screw holes)

Spec:
Item Type: 80mm PWM Case Fan
Material: ABS
Size: Approx. 80x80x25mm / 3.15x3.15x0.98in
Hole Distance: Approx. 72mm/2.83in
Bearing Type: MFDB
Rated Voltage: 12V
Rated Current: 0.16±0.02A
Rated Speed: 800-2500RPM±10%
Airflow: 26.5CFM
Function: 4PIN PWM

How to Use:
Install and use.

Package List:
1 x Fan
4 x Screws

Notice:
Manual measurement please allow some error.