Western Digital Gold 22TB 3.5' Enterprise Class SATA 6 Gb/s HDD 7200 RPM Cache Size 512MB 5-Year Limited Warranty

Western Digital Gold 22TB 3.5' Enterprise Class SATA 6 Gb/s HDD 7200 RPM Cache Size 512MB 5-Year Limited Warranty Part Number: WD221KRYZ Product Features Capacity1: 22TB Interface: SATA 6 Gb/s Format: Sector size (bytes)2: 512e Native Command Queuing: Yes Form Factor: 3.5-inch OptiNAND™ technology: Yes ArmorCacheTM: Yes RoHS compliant3: Yes Performance Data Transfer Rate4 (max sustained transfer rate) MiB/s / MB/s:277 / 291 RPM: 7200 Cache: 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:7.1W Idle: 5.7W Power efficiency index (W/TB, idle): 0.26 Environmental Specifications Operating (half-sine wave, 2ms): 40G/40G Non-operating (half-sine wave, 2ms): 200G Operating: 5°C to 60°C Non-operating: -40°C to 70°C Idle Mode: 20 dBA Seek Mode: 32 dBA Physical Dimensions: 26.1x147x101.6mm, 1.028x5.787x4.0in, 0.67kg, 1.47lb Country of Assembly: Thailand