Your MacBook has two ram slots and the maximum upgrade is 16GB (2x8GB). Total Capacity: 16GB. Model Number. Release Date. 12 Month Warranty. A1278 (EMC 2554). Mac Identifier. Module Quantity: 2.
16GB -2x8GB Memory RAM Upgrade for Dell OptiPlex 3040 Small Form Factor SFF PC
16GB -2x8GB Memory Ram Upgrade for 27" Apple iMac-17.1 Core i5 3.2GHz Late 2015
Samsung 16GB (2X8GB) DDR4 RAM Modules M378A1K43CB2-CTD PC4-2666V Non-ECC
Crucial 16GB 2X8GB DDR3 2RX8 1600MHz PC3L-12800S 204pin Laptop Memory RAM
Kingston 16GB 2X8GB DDR3 2RX8 1600MHz PC3-12800S 204pin Laptop Memory RAM 1.5v
Samsung 16GB (2x8GB) SODIMM DDR4 PC4-3200AA Laptop Memory RAM
