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.

