LaCie 4big Quadra, 1 TB Hot-Swappable Spare Drive for 4 TB 4big Quadra RAID

The LaCie 4big Quadra, 1 TB Hot-Swappable Spare Drive is a convenient option to further protect your data. Because it is hot-swappable, you can immediately replace your failed disk in case of a problem and a secured RAID mode will automatically rebuild, without any downtime in your workflow. In order to work properly, the capacity of your spare disk must be equal to or higher than the capacity of the disk being replaced.