Capacity 4TB Special Features Protection Information (T10 DIF) Yes Humidity Sensor Yes Halogen Free Yes PowerChoice Technology Yes PowerBalance Technology Yes Cache 128MB 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) 6.52W Average Operating Power 7.74W Power Supply Requirements +12 V and +5 V Environmental/Temperature Temperature, Operating (oC) 5oC - 60oC Shock, Operating, 2ms 70/40Gs Shock, Nonoperating, 1ms/2ms (Gs) 250/150Gs

	Item Dimension ( L inchxW inchxH inch) 2 x 5 x 6

	Weight 1.50 lb

	Warranty Information 5 years