JBOD - how to add one more hdd?

My Cloud OS 3 Personal & Network Attached Storage My Cloud EX4
1

I have 3 hdd, and i want to add 1 more, what’s the best way to do it? i will lose the other hdds content?

2

Hi adonet,

As My Cloud EX4 is configured in JBOD, you can place 4th drive and also create a different volume from dashboard. It will not affect the data.