Crucial 4GB DDR3 1066 MT/s (PC3-8500) CL7 SODIMM 204pin for Mac

The Crucial 4GB 204-Pin SODIMM DDR3 PC3-8500 Memory Module increases the performance of your Mac by providing a 4GB module of DDR3 memory. Increase your computer's RAM with this memory module. Users can run more applications simultaneously without system glitches.