You made roughly 1% per month, that’s still a total of 100 month / 8.3 year.
But like other, I recommend going to 1Tb or 2Tb if you use a lot for video editing.And you don’t feel restrain by 256Gb ? How much space left do you have ?
Don’t forget backup if you care about your data !
In my LG monitors with “joystick” fonction un need to
1-press center
2- read on screen, look for power off (up in one of my monitor and left in the other one)
3 - move the stick toward the value showing “power off”.