To have a better understanding of the differences between MLC and SLC, read the content of the following link. If you can afford it, get at least a 240 GB drive and make sure to us it mostly for the operating system. The rest is stored in other regular sata drives. There is enough room for the operating system, updates, and some of the applications that require a fast drive. With regards to storage size, that is way I have 120 GB drives. The following link will show you SSDs compatible with Mac: Of course sata 3 would be better, but it is a little bit pricier. Sata II and the newer sata III are compatible with your MacBook pro. The following is a link showing you the specs for the Agility 2. Of course for trim to work both, the operating system and the drive have to support it.
#COMPATIBLE SSD FOR MACBOOK PRO MAC#
I hear tell that Mac does not support Trim for other brands, only for apple SSDs. They are compatible with Mac and they have the native trim (garbage collection)function. Of course they are not MACs, but if you believe the scores, they have a 7.9. I have two 120 GBs OCZ Agility 2, running in two different computers and they are great. Hello, in your case I would say that the Apple SSD would be the best choice compatibility wise.