The Enermax T.B. Silence range of quiet cooling fans have patented Twister Bearing Technology to give persistent low noise level and a longer life.

Enermax Twister Bearing Technology Quiet Cooling Fan Diagram.
- Magnetized steel ball
 - Self-lubricating nano bearing
 - Coils
 - Flexible magnets inside the rotor
 
Enermax T.B. Silence 140mm Quiet Cooling Fan Features
- Performance cooling with a low-noise profile
 - Twister Bearing technology for longer lifetime and low noise
 - Turbine Blades design for high-pressure airflow
 - Detachable fan blades for easy cleaning
 
Specifications
| Cooling Fan Specifications | |
|---|---|
| Model | UCTB14 | 
| Dimensions | 139x139x25 | 
| Bearing Type | Twister Bearning | 
| Frame | Massive Frame | 
| Blades | Turbine | 
| Blades Number | 7 | 
| Speed (RPM) | 750(±10%) | 
| Air Flow (CFM) | 45.40 | 
| Air Flow (m3/h) | 77.13 | 
| Static Pressure (mm-H2O) | 0.882 | 
| Minimal Noise (dBA) | 15 | 
| MTBF (hour) | 100,000 | 
| Input Power (W) | 1.8 | 
| Rated Voltage (V) | 12 | 
| Accessory | 4 x screw & 1 x 3 to 4 pin adaptor | 
| Safety & EMC | TUV, UL, CE, ROHS, WEEE | 
Note: Please wipe the fan blades softly with a microfiber cloth instead of rinsing the fan blades with water. Do not use alcohol or chemicals.
        
                
                            
                            
                            