4 TB SATA Hard Drive, 6 Gb/s, 3½", Returnable and Cancellable in SEALED condition, Supported Devices: ND9441, ND9541, NR9681, NR9581, NR9782-V2, NR9682-V2,  ND9322P, ND9424P, ND9312, ND9323P-2TB-4FD69, ND9323P-2TB-4IB69, ND9323P-2TB-4IT60, ND9323P-2TB-4FD