I can't tell you how many times I have looked at the resources page of my QNAP
NAS only to be left wondering how much space I have left after some large
transfers. Unfortunately, QNAP did not build in a manual refresh option for
the storage on your NAS. As always, there are a couple of ways you can do this.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips