Western Digital Gold 14TB 3.5' Enterprise Class SATA 6 Gb/s HDD 7200 RPM Cache Size 512MB 5-Year Limited Warranty Part Number: WD142KRYZ Product Features Capacity1: 14TB Interface: SATA 6 Gb/s Format: Sector size (bytes)2: 512e Native Command Queuing: Yes Form Factor: 3.5-inch OptiNAND™ technology: No ArmorCacheTM: No RoHS compliant3: Yes Performance Data Transfer Rate4 (max sustained transfer rate) MiB/s / MB/s: 250 / 262 RPM: 7200 Cache1, 5: 512 MB Reliability MTBF (hours, projected): 2,500,000 Annualized Failure Rate (AFR, %): 0.35 Load/unload cycles (minimum): 600,000 Limited Warranty (years): 5 Power Management Operational: 6.5W Idle: 5.6W Power efficiency index (W/TB, idle): 0.4 Environmental Specifications Operating (half-sine wave, 2ms): 50G/50G Non-operating (half-sine wave, 2ms): 250G Operating: 5°C to 60°C Non-operating: -40°C to 70°C Idle Mode: 20 dBA Seek Mode: 36 dBA Physical Dimensions: 26.1x147x101.6mm, 1.028x5.787x4.0in, 0.66kg, 1.46lb Country of Assembly: Thailand