Hello, this is my first forum post and am relatively new to the computing world. Currently I have a 13 inch macbook pro(mid) 2012 unibody and in the process of upgrading. Laptop was purchased prior to myself releasing that Matlab is a pain to work with on Yosemite. Current Spec: 2.9 GHz Intel Core i7, 500 GB SATA Disk, 16GB Ram (2x8Corsair Vengeance).(16GB needed for dual booting and heavy CAD use) My initial plan was to upgrade from the SATA to the samsung evo 500GB SSD based upon reviews. I am considering the possibility to purchase a second and to use in raid 5. Though this would bring the total cost to around £260. However I heard that intel were releasing their new 750 SSD range for the PC starting from £326(400GB); they posted crazy read and write speeds. Does anyone know if there is a PCIe SSD that would be compatible with my laptop? Many thanks in advance.