Sodimm DDR2 800MHz/667MHz (PC2-6400/PC2-5300) 2GB - Apple Edition Part No : SODI102GBN/6400/2AP1 FEATURES Designed especially for Mac users, PNY’s Mac Memory is the perfect upgrade for Intel-based iMac, MacBook and MacBook Pro's. Boost the performance of your Mac. PNY memory upgrades will prove to be an outstanding value now and in the future.