Parameters of WDC WD20EFRX-68EUZN0 with Firmware 82.00A82

General information
TrademarkWestern digital
ModelWDC WD20EFRX-68EUZN0
Capacity1.8 TB
InterfaceSATA
SATA version3.0
Firmware82.00A82
Alternative firmwares1
Firmware upgradesupported
ATA versionACS-2
Advanced Formatsupported
Units tested67
Times tested146
Performance
Maximum interface speed600 MB/s
Maximum buffered read speed428 MB/s
Maximum read speed197 MB/s
Minimum average access time9.70 msec
Volatile write cachesupported
Read look-aheadsupported
Command Queuing Optimization (NCQ)supported
Advanced Power Management (APM)not supported
Acoustic Management (AAM)not supported
Rotation rate5400 rpm
Reliability
Count of sensors17
Free-fall Controlnot supported
SMART Command Transport (SCT)supported
Duration of full self test> 255 minutes
Critical maximum temperature85°C (185°F)
Recommended maximum temperature60°C (140°F)
Maximum temperature82°C (179°F)
Average maximum temperature43°C (109°F)
Security
Drive access restrictionsupported
Enhanced security erasesupported
Data destruction time302 minutes
Instant data destructionnot supported
Host protected area (HPA)supported
Host protected area passwordsupported
Trusted computingnot supported