661-5499 - Apple 128GB SATA 2.5-inch Solid State Hard Drive for MacBook Pro A1278

Technical Specifications:
- Capacity: 128GB
- Interface: SATA
- Form Factor: 2.5-inch
- NAND Flash Type: Multi-Level Cell (MLC)
- Sequential Read Speed: Up to 500MB/s
- Sequential Write Speed: Up to 315MB/s
- Random Read Speed: Up to 50,000 IOPS
- Random Write Speed: Up to 40,000 IOPS
- MTBF: 1.5 million hours
- Operating Temperature: 0°C to 70°C
- Operating Voltage: 5V ± 5%
- Power Consumption: 1.5W (Active), 0.5W (Idle)

Helpful Notes:
- This solid state hard drive is compatible with MacBook Pro A1278 models from 2011 and 2012.
- Upgrading to a solid state drive can significantly improve the performance of your MacBook Pro.
- It is recommended to backup your data before replacing the hard drive.