IBM 44C0558 | Lenovo Fan & Heat Sink for ThinkPad T61

Here are the technical specifications for the IBM Lenovo Fan & Heat Sink for ThinkPad T61:

- Compatibility: ThinkPad T61
- Dimensions: 4.33 x 3.15 x 0.79 inches
- Weight: 1.6 ounces
- Material: Copper and aluminum
- Fan speed: 3200 RPM
- Noise level: 26 dBA
- Power consumption: 1.08 W

Helpful notes:
1. This fan and heat sink combo is designed specifically for the ThinkPad T61, ensuring optimal performance and compatibility.
2. The copper and aluminum construction provides excellent heat dissipation, keeping your laptop cool and preventing overheating.
3. With a low noise level of only 26 dBA, this fan and heat sink won't disrupt your work or entertainment.