LaCie 4TB Spare Hard Disk Drive for 2big Thunderbolt 2
Spare drive for your LaCie 2big Thunderbolt 2 RAID drive. Disks are hot-swappable in RAID 1, you can immediately replace your failed disk with zero downtime. And for the ultimate in peace of mind and value, the LaCie 2big Spare Hard Disk features a 3 Year limited warranty.
NOTE: The capacity of your spare disk must be equal to or higher than the capacity of the disk being replaced.