Specifications Available Capacities: 8 TB Form Factor: 3.5-inch Buffer Size: 256 MiB Rotation Speed: 7200rpm Data Transfer Speed ( Sustained ) ( Typ. ): 8 TB 4Kn/512e: 248 MiB/s Power Consumption ( Idle - A ) ( Typ. ): SATA 8 TB: 5.61W SATA 6 TB: 4.90W SATA 4 TB: 4.07W SAS 4 TB: 4.50W MTTF/MTBF(AFR): 2 000 000h (0.44%) Weight ( Max ): 8 TB: 720g