Supports 3.5-inch or 2.5-inch SATA drives.
The installed SATA drive can share SAS dual-port advantages for higher reliability. QNAP 6Gbps SAS to SATA Drive Adapter (Designed for Enterprise ZFS NAS) SAS dual-port advantage for fault toleranceSAS features dual porting for redundancy, eliminating single points of failure and allowing for higher reliability and performance.5-inch SAS drive bay - providing the ability to expand storage capacity by using cost-effective SATA drives.5-inch disk tray of an Enterprise ZFS NAS (Disk tray model: SP-ES-TRAY-WOLOCK).