QNAP’s TS-251 can slide apart into two pieces by loosening two screws on the rear of the unit, much in the same way as the units without hot-swap are built. The only reason you’ll need to do this is ...
A little over 2 years ago I got a QNAP TVS-473E NAS. It came with 8GB of RAM (2x4GB of DDR4), but that's been somewhat limiting more recently. Obviously QNAP sells RAM upgrades directly, but they are ...