The Seagate Exos 7E8 enterprise hard drive confidently stores up to 8TB of data without sacrificing performance. The secure, high-capacity, high-performance drives are optimized for demanding enterprise bulk data applications. Capacity 6TB Special Features Protection Information (T10 DIF): Yes Humidity Sensor: Yes SuperParity: Yes Halogen Free: Yes PowerChoiceTM Technology: Yes PowerBalanceTM Technology: Yes Cache: 256MB Advanced Write Caching (Internal NOR flash): Yes Reliability/Data Integrity Vibration, Nonoperating: 10Hz to 500Hz (Grms): 5 MTBF: 2,000,000hr Reliability Rating at Full 247 Operation (AFR): 0.44% Nonrecoverable Read Errors per Bits Read, Max: 1 sector per 10E15 Power-On Hours: 8760 Bytes per Sector: 512, 520, 528 Performance Spin Speed: 7200RPM Interface Access Speed (Gb/s): 6.0, 3.0, 1.5 Max Sustainable Transfer Rate: 226MB/s Average Latency (ms): 4.16 Interface Ports: Dual Rotational Vibration at 1500Hz (rad/s2): 12.5 Power Consumption Idle Average (W): 8.37W Average Operating Power: 9.2W Power Supply Requirements: +12 V and +5 V Environmental/Temperature Temperature, Operating: 5oC to 60oC Shock, Operating, 2ms: 70/40Gs Shock, Nonoperating, 1ms/2ms (Gs): 250/150Gs Item Dimension (L inchxW inchxH inch) 6 x 5 x 2