A-Tech 4GB RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010, Mid 2011, Late 2011), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Module at Amazon.com
4GB Memory Module for Apple MacBook Pro 13-inch (Mid 2012) 1600MHz DDR3 (PC3-12800) (PARTS-QUICK Brand) at Amazon.com
Ramjet 4GB DDR3-1600 PC3-12800 DDR3 1600Mhz SO-DIMM for Apple iMac (1x 4GB) at Amazon.com
A-Tech 4GB RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010, Mid 2011, Late 2011), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Module at Amazon.com
Crucial 8GB Kit (4GBx2) DDR3/DDR3L 1066 MT/s (PC3-8500) SODIMM 204-Pin Memory For Mac - CT2K4G3S1067M at Amazon.com
A-Tech 4GB RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010, Mid 2011, Late 2011), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Module at Amazon.com
4GB DDR3 PC3-12800 1600MHZ FOR MAC CL11 SODIMM 204PIN 1.35V 1.5V - Walmart.com
A-Tech 4GB DDR3 1600MHz Desktop Memory Module (1 x 4GB) PC3-12800 Non-ECC Unbuffered DIMM 240-Pin 1Rx8 1.5V High Density Single Rank Computer RAM Upgrade Stick at Amazon.com
Amazon.com: 4gb 1600mhz ddr3 sdram
Corsair Mac Memory — 4GB DDR3 SODIMM Memory Kit
OFFTEK 4GB Replacement RAM Memory for Apple MacBook Pro 2.5GHz Intel Core i5 - (13-inch) (DDR3) (Mid-2012) (DDR3-12800) Laptop Memory at Amazon.com
Corsair Apple Certified 16 GB (2x8 GB) DDR3 1600MHz (PC3 12800) Laptop Memory 1.35V at Amazon.com
4gb 1600mhz ddr3 sdram - 2x4gb for macbook pro | Newegg.com
CORSAIR 8GB (2 x 4GB) 204-Pin DDR3 SO-DIMM DDR3 1066 (PC3 8500) Memory for Apple Model CMSA8GX3M2A1066C7 - Newegg.com