Proavio 3TB Spare Drive with Tray for EB400CRThe 3TB Spare Drive with Tray for EB400CR from Proavio is a factory-configured spare-drive module for your EB400CR. The drive is ready to be installed in your array in the event of the failure of any one of its physical hard drives. It is hot-swappable and easy to install; simply remove the bad drive and insert the spare drive in place. It provides a storage capacity of 3TB and a drive interface of 6 Gb/s SATA. Having a spare drive on hand minimizes the downtime associated with a drive failure.Hot SwappableServes as a spare or replacement disk for your EB400CRCapacityFeatures a large storage capacity of 3TBFastDrive interface is a fast SATA 6 Gb/s