Hitachi 0A60153 | Endurastar J4K50 Series 50GB IDE Ultra ATA/100 (ATA-6) 8MB Cache 2.5-inch Internal Hard Drive

Here are the technical specifications for the Hitachi 50GB ATA IDE Hard Drive:

1. Interface: ATA/IDE
2. Capacity: 50GB
3. Rotational Speed: 5400 RPM
4. Buffer Size: 2MB
5. Average Seek Time: 12ms
6. Data Transfer Rate: 100MB/s
7. Form Factor: 2.5 inch
8. Dimensions: 70mm x 100mm x 9.5mm
9. Operating Temperature: 5°C to 55°C
10. Non-Operating Temperature: -40°C to 65°C
11. Shock Resistance: 900G (operating), 3000G (non-operating)
12. Power Consumption: 5.5W (operating), 0.5W (idle)

Helpful notes:
1. This hard drive is compatible with older laptops and desktops that have an ATA/IDE interface.
2. The 2MB buffer size is relatively small compared to modern hard drives, which can have up to 256MB of cache.
3. The 5400 RPM rotational speed is slower than the 7200 RPM or 10,000 RPM speeds found in many modern hard drives, which can affect performance.