The T480 that I got is the worst laptop purchase I have done in years. The m2 port is not bolt in but you will need to buy an adapter if you want to install a second drive if your configuration is only 1 drive. The USB-C charging port had problem quickly after a year where it don't receive charge unless you put it in the JUST the right position and pray to god that it will keep charging. And the USB-C card is part of the mobo so you are looking at $700-800 mobo swap to fix the problem.