Crucial 8GB Single DDR3 1600 MT/s (PC3-12800) CL11 SODIMM 204-Pin

Crucial 8GB Single DDR3 1600 MT/s (PC3-12800) CL11 SODIMM 204-Pin 

Crucial 8GB Single DDR3 1600 MT/s (PC3-12800) CL11 SODIMM 204-Pin 

Sodimm Laptop Memory Crucial 8GB Single DDR3 1600 MT/s (PC3-12800) CL11 SODIMM 204-Pin 1.35V/1.5V Notebook Memory CT102464BF160B
As a graphic designer, 4 GB of RAM simply wasn't cutting it when running nearly all of the Adobe Creative Suite is a daily thing for me. I went with this upgrade because Crucial was the most affordable brand (that I trust), and I'm overjoyed with the results. The RAM was immediately accepted, and the speed of my MacBook has increased by more than 200% when running (and multi-tasking with) highly memory intensive programs. Running Photoshop, Illustrator, and InDesign simultaneously is no issue at all anymore. Even when working with quite large files, I've yet to experience any lagging or freezing (that was quite common before, thus the reason for upgrading). Files that would take up to five minutes to load are now open and ready to edit within 10-15 seconds. I would highly recommend this RAM in specific, and advise anyone who uses their computer for more than web browsing and has less than 8 GB to consider getting an upgrade. When you do any sort of memory intensive tasks, more RAM is always better. I know of some professionals who use design stations with up to 94 GB of RAM.

Also, on a separate note for those who are considering the upgrade for gaming, I still say go for it. At 4 GB, the games that I do play (not many options for that on Mac, sadly; I just prefer OS X for the fluency of the design programs), like Path of Exile, Diablo 3, and WoW, all experience issues with framerate quality and lagging/freezing, but after upgrading, they truly run like advertised. This also pleases me greatly.

Overall, I have yet to find any cons to this product. I would recommend it to anyone seeking an upgrade. 

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Crucial 8GB Single DDR3 1600 MT/s (PC3-12800) CL11 SODIMM 204-Pin