WD20EARZ Technical Specifications
Western Digital Blue 2TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-Inch Hard Drive
Manufacturer: Western Digital
Manufacture Part Number: WD20EARZ
Series: WD Blue Desktop
Storage Capacity: 2 Terabytes (2TB)
Interface Type: SATA 6Gb/s
Form Factor: 3.5-Inch
Recording Technology: SMR (Shingled Magnetic Recording)
RoHS Compliant: Yes
Performance Metrics
Spindle Rotation Speed: 5400 RPM
Data Buffer (Cache): 64 MB
Interface Transfer Rate: 6.0 Gb/s (Maximum)
Internal Data Transfer Rate: 180 MB/s (Sustained)
Average Latency: 5.5 ms
Reliability & Integrity
Load/Unload Cycles: 300,000
Non-recoverable Error Rate: <1 in 10 to the power of 14 bits read
Advanced Format (AF): Yes
Limited Warranty: 2-Year
Power & Environmental
Operating Power (Read/Write): 4.1 Watts
Idle Power: 2.3 Watts
Standby/Sleep Power: 0.6 Watts
Operating Temperature: 0°C to 60°C





