Class extension MAC Pro Late 2009

Hello,
I bought the store for my Late 2009 MacBook Pro and am thrilled. Especially in the virtual environment, it has become much faster and can only be recommended. I had initially considered the service to take advantage of the upgrade, but after encouragement Forum there were really only the cover screws and the "snap noses" that keep the memory in the Book. The whole process took less than 5 minutes. The store was immediately recognized and has passed a stress test flawlessly. I would strongly recommend that you have one ....