4GB DDR3 1066MHz SODIMMs for Mac

Specifications: 4GB DDR3-1066, 1066Mhz, PC3-8500, CAS Latency 7, Non-ECC, Unbuffered, 1.5V, 204pin SO-DIMM. Contains one (1) 4GB SO-DIMM memory module that are specifically designed and SPD configured foryour Mac. This module is compatible with the latest Apple Firmware. Watch our installation video: Click here for Apple's installation guide (PDF.)