The Apple Mac Compatible Memory 4GB (2GBX2) Kit is a Crucial product designed specifically for Mac computers. This DDR3 SDRAM memory kit includes two SO-DIMM modules, each with a capacity of 4GB. The total capacity of the kit is 4GB, making it ideal for upgrading or replacing memory modules in Mac systems. With 204 pins, these memory modules are compatible with various Mac models and offer reliable performance for your computing needs. Please read the description carefully to ensure compatibility with your specific Mac system.

Do not follow package description, these are 2 GB STICKS NOT 4.