On the other hand, an NVMExpress drive could later be installed in the rMBP 13".
As soon as Apple have time to tune its firmware, and Hardware, I guess same time next year we will have Apple's SSD in all of Mac Range, including iMac. Hopefully the Skylake update will also give enough PCI-E 3.0 lane to its SSD controller, therefore doubling the speed to 3.2GB/s.
Along with hopefully some updated 802.11ac controller ( 2x2 160MHz 3.2Gbps ), and wifi antenna tuning, ( currently using some innovative way to lay around the speakers ).
The next update of Macbook will be very interesting.
That's what backups are for
Sandisk was collecting about $350+M annually in licensing fees alone from Samsung -- Samsung actually tried to buy Sandisk back in 2008. Anobit was also founded by some of the key members of Sandisk and Samsung was their largest customer -- and the young start-up had only a few at the time -- before Apple eventually bought it. To say the business doesn't make any profit is a bit silly. Not sure if Samsung continued to invest heavily in their tech after the acquisition, or some other manufacturers decided to license their tech, but there is a good reason why Apple paid $400M-$500M for it.