A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core I5 2.5 13" Mid-2012 - A7 at Amazon.com
Macbook Pro RAM Upgrade Kit 8GB 2 x 4GB 2011 2012 A1278 A1286 13 15" 10600s DDR3 836905536579 | eBay
4GB RAM Memory (PC3-8500) for Apple MacBook 13 inch A1278 Late 2008, A1342 Late 2009, A1342 Mid 2010. Apple MacBook Pro 13 inch A1278 Mid 2009, A1278 Mid 2010, A1286 - Late 2008
Refurbished MacBook Pro A1278 (2012) Laptop (ci5, 4 GB Ram, 128 GB SSD, Intel HD Graphics, 13″ Screen) – Casfurb
Apple MacBook Pro 13.3" Intel Core i5 4GB RAM 500GB Hard Drive (MD313LL/A) Late 2011 (Certified Refurbished) Silver A1278 - Best Buy
8GB 2X4GB Memory RAM for Apple MacBook Pro A1278 (13.3" Core 2 Duo 2.4GHz) 204pin 1066MHz PC3-8500 DDR3 SO-DIMM Black Diamond Memory Module Upgrade - Walmart.com
2010 Macbook Pro 13" A1278 RAM Upgrade - YouTube
MacBook Unibody Model A1278 RAM Replacement - iFixit Repair Guide