A-Tech 8GB (2x4GB) 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 Kit at Amazon.com
8GB 2 X 4GB Memory for HP ProBook 4530s DDR3 PC3-10600 SODIMM RAM (PARTS-QUICK Brand) at Amazon.com