Apple MacBook Pro 13" (2012) Core i5, 8GB RAM 500GB HDD - Silver (Refurbished) | StackSocial
APPLE MACBOOK PRO A1278 13.3" LAPTOP 320GB HDD 4GB RAM MAC OS X SNOW LEOPARD | eBay
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
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 Unibody Model A1278 RAM Replacement - iFixit Repair Guide
MacBook Pro 13" Unibody A1278 (Mid 2012) RAM Upgrade Kit
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
Apple MacBook Pro 13-Inch "Core i7" 2.9GHz MD102LL/A A1278 Mid-2012 – Coretek Computers
Apple MacBook Pro 15.4" Intel Core-i7 2.2GHz 16GB RAM 256GB SSD MJLQ2L – iTechDeals
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