2GB ( 1 x 2GB Module ) DDR3 1600 MHz ( PC3-12800 ) DDR3 SO-DIMM ( 204-Pin ) Non-ECC Unbuffered Apple Mac Certified Memory RAM Upgrade Designed For Select Apple Mac Systems: MacBook Pro iMac, Mac mini Compatible Apple Order Numbers: MD093LL/A / MD094LL/A / MD095LL/A / MD096LL/A / ME086LL/A / ME087LL/A / ME088LL/A / ME089LL/A / MF125LL/A / ME699LL/A / MF885LL/A / MF886LL/A / MD101LL/A / MD102LL/A / MD103LL/A / MD104LL/A / MD546LL/A / MD387LL/A / MD388LL/A / MD389LL/A Compatible Apple Model IDs: iMac13,1 / iMac13,2 / iMac14,1 / iMac14,2 / iMac15,1 / MacBookPro9,1 / MacBookPro9,2 / Macmini6,1 / Macmini6,2 Compatible Apple Model Numbers/EMC: A1278 (EMC 2554) / A1286 (EMC 2556) / A1347 (EMC 2570) / A1418 (EMC 2544) / A1419 (EMC 2546) / A1418 (EMC 2545) / A1418 (EMC 2638) / A1419 (EMC 2639) / A1419 (EMC 2806) A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase