Found buy! Equipped with a 256GB SSD Cucial MX100 very, very good transfer rates of 251MB Read / s write 241MB / s on my 2014er MacBook! I start from the SSD, inter alia, in my Windows Parralels, it is not even realizing that it is started from outside, is ramped up really fast! Even my Timemashine backups are stored on the external, goes Rip-Rip by me a very strong buy recommendation! Oh, and a note! The chipset allows for a boot on a Mac, I had another case to which that did not work!