Pros: I upgraded my laptop from 4GB RAM to 8GB RAM. That worked perfectly. I was very happy that I was able to modify my laptop all by myself, and it did not get destroyed in the process. This encourages me to upgrade the hard drive.

Cons: I knew that I would need two RAM boards to make the upgrade, so I ordered 2. But Newegg knew that I would need two when I ordered one, so they helpfully send two boards when you order one, so when I ordered 2, I got 4. Somehow there was too much thinking going on and not enough communicating, on both sides. Also, there was no improvement when I upgraded the RAM, because I never do anything that needs a lot of RAM. I was expecting this, but it was still a slight surprise to have it happen.

Overall Review: I would definitely recommend this product, and I would also recommend Newegg.