A-Tech For Apple 4GB Kit 2x 2GB PC3-10600 Mac mini iMac MacBook Pro Mid 2010 Late 2011 A1286 MD311LL/A A1297 MC511LL/A A1312 MC309LL/A A1311 MC812LL/A MC813LL/A MC814LL/A MC815LL/A A1347 Memory RAM<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>4GB Kit 2x 2GB (2 x 2GB) SO-DIMM DDR3 NON-ECC PC3-10600 1333Mhz RAM Memory</li><li>Genuine A-Tech Memory</li><li>Lifetime Warranty</li><li>Toll Free Technical Support 1-866-557-4527</li><li>Designed For iMac， Mac mini， MacBook Pro Models:Late 2011 Mid-2010 Mid-2011 MC309LL/A MC511LL/A MC812LL/A MC813LL/A MC814LL/A MC815LL/A MD311LL/A A1286 A1297 A1311 A1312 A1347 iMac11，3 iMac12，1 iMac12，2 MacBookPro8，2 MacBookPro8，3 Macmini5，1</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51wZrgijEEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/517cORQ5PWL.jpg" noproxy>