How to upgrade RAM on MacBook (M1 & M2 Macs included)
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com