Seagate IronWolf 8TB 256MB Cache SATA 6.0Gb/s NAS Internal Hard Drive ,Perfect for 1-8 BAY NAS system, 3 years warranty

InterfaceSATA III 6 Gb/sNumber of Drive Bays Supported1 to 8Technology Multi-User (TB/yr):180Supported FeaturesDual-plane balance, Error recovery controlMax Sustained Transfer RateOD 210 MB/sSpindle Speed (RPM)7200Cache256 MBLoad/Unload Cycles600,000Nonrecoverable Read Errors per Bits ReadMax 1 per 10E15Power-On Hours per Year8760Workload Rate Limit180 TB/yearMean Time Between Failures (MTBF)1,000,000 HoursStartup Current (12V typical, amps)2 AAverage Operating Power9 WIdle Average7.2 WPower Save ModeStandby: 0.6 W, Sleep: 0.6 WVoltage Tolerance5 V: ±5%, 12 V: ±10%Temperature Operating (ambient, min):41°F / 5°COperating (drive case, max):158°F / 70°CNon-operating (ambient, min):-40°F / -40°CNon-operating (ambient, max):158°F / 70°CHalogen FreeYesShock Operating 2ms (max):70 gNon-operating 2ms (max):250 gAcoustics Idle (typical, bels):2.7Operating (typical, bels):2.8Dimensions (H x W x D)1.0 × 4.0 × 5.8" / 26.1 × 101.9 × 147­.0 mmWeight1.7 lb / 0.8 kg