Apple 661-5246 | 250GB 5400RPM SATA 2.5-Inch Hard Drive for MacBook A1342

Here are the technical specifications for the Apple 250GB 5400RPM SATA 2.5-Inch Hard Drive for MacBook A1342:

1. Interface: SATA 3.0Gb/s
2. Form Factor: 2.5 inch
3. Capacity: 250GB
4. RPM: 5400
5. Cache: 8MB
6. Average Latency: 5.6ms
7. Seek Time: 12ms
8. Transfer Rate: Up to 300MB/s
9. Operating Temperature: 0°C to 60°C
10. Non-Operating Temperature: -40°C to 70°C
11. Shock Resistance: 350 Gs for 2ms Operating, 1000 Gs for 1ms Non-Operating
12. Power Consumption: 1.4W (Idle), 2.3W (Read/Write)

Helpful notes:
1. This hard drive is compatible with MacBook A1342 models from 2009-2010.
2. Upgrading to a higher RPM hard drive can improve overall system performance.
3. It is recommended to backup all data before replacing the hard drive.