Installed on a macbook pro 13 inch late 2011 with OSX Mountain Lion and 16gb of ram, perfectly compatible after formatting. I use this laptop mac instead of a computer because even if comfort is less than with a desktop computer and a larger screen, I like to work wherever I want and not be stuck in one place. Bought as during video editing with iMovie, and then export the software uses a lot of memory temporary cover, and my old Intel SSD 330 180 go was insufficient to contain the cache (when I mounted an SSD and a hard disk on my macbook, the HDD was not recognized by iMovie, I do not know why, and therefore inability to use the HDD to contain the rushes and used as destination of export and after import of raw footage videos a little more than 2 hours on the SSD, saturation! If someone has a solution thank you in advance). The startup time and program access are slightly higher than my old SSD. The system is also slightly less reactive, but still higher than the old HDD. "Lightroom 5" only slightly with viewing files Raw pictures compared to the SSD, but I think we need a more powerful processor like Intel i7. Autonomy is also slightly down. By cons, "Safari" is faster. And the Seagate SSHD is very quiet, only the fan is heard during intensive work. Question comfort, I bought this SSHD for. What a pleasure to work his photo and video files without frequently having to calculate the remaining size available (incidentally I wonder how work on or retina macbook air with the small size of the original SSD, except for the Thunderbolt expensive solution, or USB3 but with a loss of performance relative to an internal drive. 512 gb is for me a living wage for work photos and videos). Previously I always had to worry about the available space on the SSD, whether the installation of programs or the cache, now I have more size reactivity. In summary, if you are looking for the optimum solution in terms of capacity and comfort of work, take a SSD of 512 gb, 1 to see, but at least 3 times the price for the first, and five times more for the second minimum compared to what SSHD. Or take a PC or MAC machine with at least one i7. If you are looking for a very good price / quality ratio and space / working comfort, then this is ideal SSHD. In the latter case, I recommend.