Apple MacBook Pro 13.3" Intel Core i5 4GB RAM 320GB Hard Drive (MC700LL/A) Early 2011 (Certified Refurbished) Silver A1278 - Best Buy
MacBook Pro 13" Unibody Early 2011 RAM Replacement - iFixit Repair Guide
Apple MacBook Pro 13” 2.7 GHz Intel Core i7, 16 GB RAM, 1 TB Harddrive 2011 | eBay
Apple Macbook Pro 2011 (13″, i5 Core, 4GB Ram, 500GB HD) USED – Gear Distro
MacBook Pro 13" Unibody Early 2011 RAM Replacement - iFixit Repair Guide
Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3L 1600MHz for Early/Mid/Late Mac Book Pro(2011-2012), iMac(2011-2015), Mac Mini(2011-2012) MAC RAM at Amazon.com
Memory/ RAM Upgrades For Apple MacBook Pro 2011 from OWC
MacBook Pro 13 A1278 2011 Core i5-2415M @2.3GHz 4GB RAM 320GB HDD HIGH SIERRA | eBay
MacBook Pro 13" Unibody Early 2011 RAM Replacement - iFixit Repair Guide
macos - What is the maximum amount of RAM a 2011 MacBook Pro can utilize? - Ask Different
2011 Macbook Pro 13"- Refurbished - MacTek - Computer & Phone Repair & IT Support
Apple MacBook Pro (13-inch Late 2011) 2.8 GHz i7-2640M 8GB RAM 512GB S
Apple MacBook Pro (13-inch Late 2011) 2.4 GHz i5-22435M 8GB RAM 1TB SS