661-5501 - Apple 512GB SATA 2.5-inch Solid State Hard Drive for MacBook Pro A1278

Technical Specifications:
- Interface: SATA 3Gb/s
- Form Factor: 2.5-inch
- Capacity: 512GB
- Read Speed: Up to 500MB/s
- Write Speed: Up to 450MB/s
- MTBF: 1.5 million hours
- NAND Flash Type: Multi-Level Cell (MLC)
- Operating Temperature: 0°C to 70°C
- Operating Voltage: 5V ± 5%
- Power Consumption (Active): 2.5W
- Power Consumption (Idle): 0.5W
- Shock Resistance: 1500G / 0.5ms

Helpful Notes:
- This hard drive is compatible with MacBook Pro A1278 models from 2012 and earlier.
- Upgrading to an SSD can significantly improve the performance of your MacBook Pro.
- This drive uses MLC NAND flash, which offers better durability and performance compared to TLC NAND.