Apple 661-4035 | 512MB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDIMM Single Rank Memory Module for MacBook Pro

Technical Specs:
- Memory Type: DDR2 SDRAM
- Capacity: 512 MB
- Speed: 667 MHz
- Form Factor: SO-DIMM 200-pin
- CAS Latency: CL5
- Data Integrity Check: Non-ECC
- Rank: Single Rank
- Voltage: 1.8V

Helpful Notes:
1. This memory module is specifically designed for use in MacBook Pro laptops.
2. The 512MB capacity is on the lower end and may not be sufficient for modern applications.
3. Non-ECC memory is less expensive than ECC memory but does not provide error correction.