Mix WD Western Digital 4TB 3.5'' SATA 6G 7200rpm Hard Drive CCTV NAS...
Mix Western Digital WD RE 4TB 3.5" SATA 6G 7.2K Enterprise Hard Drive. 1 x Western Digital WD RE 4TB 3.5" SATA 6G 7.2K Enterprise Hard Drive WD4000FYYZ. Transfer Rate: 6Gb/s Rotation Speed: 7200RPM.