With X-RAID support, you can start ReadyNAS X6 with one disk at first. Add more disk drives as needed for redundancy and expanded capacity. All the existing data and system configuration remain unchanged. That’s the beauty of X-RAID!
Here is a table of LED behaviors and time estimate for expanding a ReadyNAS X6 from one disk to 4 disks.
You may need to zoom in or print the chart out to read everything clearly. Hope it helps.