Unless you're really into managing a small fleet of devices for basic functionality I'd highly recommend replacing them with a single Intel NUC or similar. I di

Unless you're really into managing a small fleet of devices for basic functionality I'd highly recommend replacing them with a single Intel NUC or similar. I did the same after one too many SD card failures and was very happy with the results - you get a significantly more powerful server for a power footprint about the same as all the horribly inefficient USB power adapters running a bunch of Pis.