04W1574 - Lenovo Heat Sink and Fan Assembly for ThinkPad W520

Here are the technical specs for the Lenovo Heat Sink and Fan Assembly for ThinkPad W520:

- Compatibility: ThinkPad W520
- Type: Heat Sink and Fan Assembly
- Material: Copper and aluminum
- Dimensions: 3.9 x 3.1 x 1.2 inches
- Weight: 3.2 ounces
- Fan speed: 3800 RPM
- Noise level: 26.5 dBA
- Power consumption: 1.8W
- Voltage: 5V

Helpful notes:
1. This assembly is essential for keeping your ThinkPad W520 cool and running smoothly.
2. The copper and aluminum construction ensures efficient heat dissipation.
3. The low noise level of 26.5 dBA means you won't be distracted by loud fan noise while working.