OWC launches first aftermarket SSDs for post-2013 Macs; they go up to 1TB
OWCThere's very little you can do to upgrade most modern Mac laptops. Even when parts aren't soldered directly to the motherboard (as is the case for RAM in all Retina MacBook Pros and MacBook Airs), Apple has a penchant for proprietary connectors that can make it hard to find aftermarket parts. Other World Computing has built its business around making...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark