Amazon.com: Odyson - Logic Board 2.5GHz Core i5 (i5-3210M) Replacement for MacBook Pro 13" Unibody A1278 (Mid 2012) : Electronics
Macbook Pro RAM Upgrade Kit- 8GB (2 x 4GB) for 2011 2012 A1278 A1286 13 15" inch 12300513760 | eBay
MacBook Unibody Model A1278 RAM Replacement - iFixit Repair Guide
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
Can I upgrade my MacBook Pro Mid-2012 13' with 10GB RAM? - Quora
Apple MacBook Pro A1278 8GB Memory Upgrade Phone: 9010288758
Macbook Pro RAM Upgrade Kit- 8GB (2 x 4GB) for 2011 2012 A1278 A1286 13 15" inch 12300513760 | eBay
Macbook Pro RAM Upgrade Kit 8GB 2 x 4GB 2011 2012 A1278 A1286 13 15" 10600s DDR3 836905536579 | eBay
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
MacBook Pro RAM Upgrade Frisco – Mac Tech Dallas
Apple MacBook Pro 13″ A1278 MID-2010 Logic Board 2.4GHz EMC:2351 820-2879-B – repairgig.com
MacBook Pro: How to remove or install memory - Apple Support