IBM 06H9063 | 640MB Cache 4500RPM IDE/ATA 64KB Cache 3.5-inch Internal Hard Drive

Here are the technical specifications for the IBM 640MB hard drive:

1. Interface: ATA/IDE
2. Form factor: 3.5 inch
3. Capacity: 640MB
4. Rotational speed: 4500 RPM
5. Cache size: 64KB
6. Average latency: 6.67ms
7. Data transfer rate: 33.3MB/s
8. Seek time (average read/write): 9ms
9. Shock tolerance: 65G (operating), 250G (non-operating)
10. Power consumption: 7.5W (operating), 1.5W (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 older ATA/IDE interfaces and may not work with newer SATA interfaces.
2. With a capacity of only 640MB, this hard drive is best suited for use in legacy systems or as a secondary storage device.
3. The 64KB cache helps to improve performance by temporarily storing frequently accessed data.