Seagate IronWolf Pro 8TB Internal HDD

nterface SATA III 6 Gb/s Number of Drive Bays Supported 1 to 8 Technology Multi-User (TB/yr): 180 Supported Features Dual-plane balance, Error recovery control Max Sustained Transfer Rate OD 210 MB/s Spindle Speed (RPM) 7200 Cache 256 MB Load/Unload Cycles 600,000 Nonrecoverable Read Errors per Bits Read Max 1 per 10E15 Power-On Hours per Year 8760 Workload Rate Limit 180 TB/year Mean Time Between Failures (MTBF) 1,000,000 Hours Startup Current (12V typical, amps) 2 A Average Operating Power 9 W Idle Average 7.2 W Power Save Mode Standby: 0.6 W, Sleep: 0.6 W Voltage Tolerance 5 V: ?5%, 12 V: ?10% Temperature Operating (ambient, min) 41?F / 5?C Operating (drive case, max) 158?F / 70?C Non-operating (ambient, min) -40?F / -40?C Non-operating (ambient, max) 158?F / 70?C Halogen Free Yes Shock Operating 2ms (max) 70 g Non-operating 2ms (max) 250 g Acoustics Idle (typical, bels) 2.7 Operating (typical, bels) 2.8 Dimensions (H x W x D) 1.0 x 4.0 x 5.8" / 26.1 x 101.9 x 147-.0 mm Weight 1.7 lb / 0.8 kg