Apple 661-5556 | 2GB DDR3-1066MHz PC3-8500 non-ECC Unbuffered CL7 204-Pin SoDIMM Dual Rank Memory Module for MacBook Pro 13

Technical Specs:
- Memory Type: DDR3 SDRAM
- Capacity: 2GB
- Speed: 1066MHz (PC3-8500)
- CAS Latency: CL7
- Pin Count: 204-pin
- Rank: Dual Rank
- Error Correction Code (ECC): Non-ECC
- Buffered/Unbuffered: Unbuffered
- Form Factor: SO-DIMM

Helpful Notes:
1. This memory module is compatible with MacBook Pro 13-inch models released between 2009 and 2012.
2. Upgrading your MacBook Pro's memory can help improve its overall performance and speed.
3. Make sure to follow proper installation procedures and consult Apple's support website for any troubleshooting tips.