4GB DDR3 Memory for HP ProDesk 400 G1 Series SFF/MT PC3-12800 1600MHz Non-ECC Desktop DIMM RAM Upgrade (PARTS-QUICK Brand) at Amazon.com
OWC 8GB PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 Memory Module Upgrade Compatible with iMac, Mac Mini, and MacBook Pro (OWC1600DDR3S8GB) at Amazon .com
Ram memory 4GB (1 x 4GB) DDR3 PC3-12800,1600MHz, 204 PIN SODIMM for laptops at Amazon.com
Amazon.com: parts-quick PC3-8500 - Memoria DDR3 (8 GB, 2 x 4 GB, 1067 MHz, compatible con Apple MAC SODIMM), 204 pines : Electrónica
Samsung 4GB DDR3 PC3-12800 1600MHz 204-Pin SODIMM Laptop Memory Module RAM. Model M471B5273DH0-CK0 at Amazon.com