Apple 13 MacBook Air MD231LL/A A1466 Mid 2012 1.8GHz Core i5 4GB RAM L - Part Haven
A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
13-inch MacBook Air (Mid 2012)
Apple MacBook Air 13" A1466 2012 i5 1.8GHz 4GB RAM Logic Board 820-3209-A | eBay
Thay RAM Macbook Air 2012 Chính Hãng, Bảo Hành Lên Đến 12 Tháng Tại Hà Nội - Truemart
Apple MacBook Air 13-inch 2012 Review | Trusted Reviews