Chosen Solution
Corsair CMSX16GX3M2B1600C9 It’s all I could find at Best Buy and it’s not shown if it’s comparable with Mac. Just wanted to check before I tear this baby down completely to install.
Seems right 1600 MHz DDR3 SDRAM (is not intended to be upgraded after purchase) looks like you’ll be in for a challenge - remember to make a guide -. If this answer is acceptable please remember to return and mark it accepted.