HP 3R-A2357-AA | 20GB 4200RPM IDE Ultra ATA/100 (ATA-6) 2.5-inch Internal Hard Drive

Here are 12 technical specifications for the HP 20GB 4200RPM IDE Ultra ATA-100 2.5-inch Hard Drive:
1. Interface: IDE Ultra ATA-100
2. Form Factor: 2.5-inch
3. Capacity: 20GB
4. Rotational Speed: 4200 RPM
5. Buffer Size: 2MB
6. Average Seek Time: 12ms
7. Transfer Rate: 100MB/s
8. Shock Tolerance: 175g @ 2ms (operating), 1000g @ 1ms (non-operating)
9. Acoustic Noise: 25dBA (idle), 26dBA (seek)
10. Power Consumption: 5.5W (operating), 0.5W (idle)
11. Operating Temperature: 5°C to 55°C
12. Dimensions (WxDxH): 7.0cm x 10.0cm x 0.95cm

Helpful notes:
1. This hard drive is suitable for older laptops and desktops that use IDE interfaces.
2. The 2MB buffer size may limit performance in some applications.
3. The shock tolerance rating means that the drive can withstand some physical impacts without damage.