[gurkendoktor]

The SSD can be replaced. I loved my 2015 MBP to death, but the CPU has not aged well for heavyweight languages like C++ and Swift. Switched to an M1 Air with the same 1 TB of storage and 16 GB of RAM.

https://www.ifixit.com/Guide/MacBook+Pro+15-Inch+Retina+Disp...