Western Digital Hard Drive WD4003FFBX 3.5 inch 4TB SATA 256MB RED PRO NAS DESKTOP Bare

Model Mumber WD4003FFBX Interface SATA 6Gb/s Formatted 4TB Form factor 3.5 inch Advanced Format YesNative command queuing yes RoHS compliant Yes Performance Interface transfer rate (max) Buffer to host 6Gb/s Host to/from drive (sustained) 217MB/sCache(MB) 256 Performance Class 7200RPM Class Reliability/Data Integrity Load/unload Cycles 600000 Non-recoverable read errors per bits read <10 in 1015MTBF(hours) for 8-24 bay NAS 1000000 Workload Rate(TB/yr) 300 Power Management 12VDC-/+10%(A, peak) 1.79 Average power requirements(W) Read/Write 7.2 Idle 3.7 Standby/Sleep