Western Digital 99-004178-016 | 800MB Cache 3.5-inch Internal Hard Drive

1. Capacity: 800MB
2. Interface: IDE/ATA-2
3. RPM: 5400
4. Average Seek Time: 12ms
5. Buffer Size: 128KB
6. Form Factor: 3.5-inch
7. Bytes per Sector: 512
8. Shock Tolerance: 65G (operating), 250G (non-operating)
9. Acoustic: 28 dBA (idle), 32 dBA (seek)
10. Power Consumption: 5.5W (operating), 2.5W (idle)
11. Operating Temperature: 5°C to 55°C
12. Operating Humidity: 5% to 95%

Notes:
1. This hard drive is compatible with older systems that still use IDE/ATA-2 interface.
2. With its 5400 RPM speed, it offers decent performance for its time.
3. Its shock tolerance of 65G (operating) and 250G (non-operating) makes it durable and reliable.