Hey guys, I am running a late 2011 macbook pro with a 128SSD, with optibay, and 750GB internal disk. I recently got a Lacie thunderbolt drive and it is very, very slow. It is the Little Big disk with 2 x 1TB disks inside. I saw online people getting read and write speeds of around 100mb/s. I am only getting around 10 and below. It takes roughly 20 minutes to copy a 2GB file from my 750gb internal drive to the connected lacie drive! I formatted the Lacie drive and re-created the Raid set up and the speeds are still excruciatingly slow. I do not want to trash such an expensive disk!