Parameters of WDC WD20EARX-008FB0 with Firmware 51.0AB51

General information
TrademarkWestern digital
ModelWDC WD20EARX-008FB0
Capacity1.8 TB
InterfaceSATA
SATA version3.0
Firmware51.0AB51
Alternative firmwares1
Firmware upgradesupported
ATA version8 (ACS)
Advanced Formatsupported
Units tested18
Times tested68
Performance
Maximum interface speed600 MB/s
Maximum buffered read speed456 MB/s
Maximum read speed191 MB/s
Minimum average access time15.42 msec
Volatile write cachesupported
Read look-aheadsupported
Command Queuing Optimization (NCQ)supported
Advanced Power Management (APM)not supported
Acoustic Management (AAM)supported
Reliability
Count of sensors22
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 temperature49°C (120°F)
Average maximum temperature37°C (98°F)
Security
Drive access restrictionsupported
Enhanced security erasesupported
Data destruction time366 minutes
Instant data destructionnot supported
Host protected area (HPA)supported
Host protected area passwordsupported
Trusted computingnot supported