The first time I've heard of this was when Anandtech did their review of iPhone 7 and it has the Apple's custom SSD controller: http://www.anandtech.com/show/10

The first time I've heard of this was when Anandtech did their review of iPhone 7 and it has the Apple's custom SSD controller: http://www.anandtech.com/show/10685/the-iphone-7-and-iphone-7-plus-review/4 http://www.anandtech.com/show/10685/the-iphone-7-and-iphone-... They mentioned the '15 MacBook was the first to use Apple's custom SSD controller, which iFixit took a picture of here: https://www.ifixit.com/Teardown/Retina+Macbook+2015+Teardown/39841#s90315 https://www.ifixit.com/Teardown/Retina+Macbook+2015+Teardown... They most likely started off from Apple's purchase of Anobit, the custom flash controller designer, back in 2011: https://en.wikipedia.org/wiki/Anobit https://en.wikipedia.org/wiki/Anobit