Hitachi 08K0639 | 80GB 5400RPM ATA/100 2.5-inch Internal Hard Drive

Here are the technical specifications for the IBM 80 GB 2.5 Internal Hard Drive:

1. Interface: IDE Ultra ATA/100 (ATA-6)
2. Capacity: 80 GB
3. Form Factor: 2.5 inch
4. Rotational Speed: 5400 RPM
5. Buffer Size: 8 MB
6. Average Seek Time: 12 ms
7. Data Transfer Rate: 100 MB/s
8. Shock Tolerance: 175 g @ 2ms (operating), 900 g @ 1ms (non-operating)
9. Acoustic Noise: 24 dBA (idle), 26 dBA (seek)
10. Power Consumption: 5.5 W (operating), 0.85 W (idle)
11. Operating Temperature: 5°C to 55°C
12. Operating Humidity: 8% to 90% (non-condensing)

Helpful notes:
1. This hard drive is compatible with laptops that have an IDE interface.
2. The 8 MB buffer size helps to improve the drive's performance when accessing frequently used files.
3. The shock tolerance of this drive makes it suitable for use in rugged environments.