Background As of High Sierra, it is possible to replace the stock SSD in a 2013-2015 MBP (and MBA) with an NVMe drive with the aid of a M.2 adapter produced by a Chinese company called Sintech (various adapters available, example in Amazon link: https://www.amazon.com/gp/product/B01CWWAENG). This has resulted in a lot of questions and mixed reports of functionality/compatibility. This thread at macrumors has accumulated over 140 pages and is STILL actively being posted to about it. Apple of course has been silent on the matter, leading me to believe that this NVMe support is not exactly a supported feature. My …