Ram memory upgrades 8GB kit (4GBx2) DDR3 PC3 10600 1333Mhz for your 2011 Apple Mac Mini's Module Size: 8GB Kit (4GBx2) Package: 204-pin SODIMM Feature: DDR3 PC3-10600 Specs: DDR3 PC3-10600 , CL=9 , Unbuffered , NON-ECC , DDR3-1333 , 1.35V , 512Meg x 64 Lifetime warranty. Scroll down to see compatible models. Please, make sure your Mac supports 4GB per slot DDR3 ram at 1333MHz speed. See guide on the bottom of the listing how to find out memory type on your Mac.