WD40EZAX Technical Specifications
Western Digital Blue 4TB 5400RPM SATA 6Gb/s 256MB Cache 3.5-Inch Hard Drive
Manufacturer: Western Digital
Manufacture Part Number: WD40EZAX
Series: WD Blue Desktop
Storage Capacity: 4 Terabytes (4TB)
Interface Type: SATA 6Gb/s
Form Factor: 3.5-Inch
Recording Technology: SMR (Shingled Magnetic Recording)
Advanced Format (AF): Yes
Performance Metrics
Spindle Rotation Speed: 5400 RPM
Data Buffer (Cache): 256 MB
Interface Transfer Rate: 6.0 Gb/s (Maximum)
Internal Data Transfer Rate: 180 MB/s (Sustained)
Acoustics: 23 dBA (Average Idle)
Reliability & Integrity
Load/Unload Cycles: 300,000
Non-recoverable Error Rate: <1 in 10 to the power of 14 bits read
NoTouch Ramp Load Technology: Yes
Limited Warranty: 2-Year
Power & Environmental
Operating Power (Read/Write): 4.7 Watts
Idle Power: 3.1 Watts
Standby/Sleep Power: 0.3 Watts
Operating Temperature: 0°C to 60°C





