Parameters of WDC WD20SDZW-11JJ8S0 with Firmware 01.01A01

General information
TrademarkWestern digital
ModelWDC WD20SDZW-11JJ8S0
Capacity1.8 TB
InterfaceSATA
SATA version3.1
Form-factor2.5"
Firmware01.01A01
Firmware upgradesupported
ATA versionACS-3
Advanced Formatsupported
Units tested7
Times tested14
Performance
Maximum interface speed600 MB/s
Maximum buffered read speed324 MB/s
Maximum read speed257 MB/s
Minimum average access time0.82 msec
Volatile write cachesupported
Read look-aheadsupported
Command Queuing Optimization (NCQ)supported
Advanced Power Management (APM)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 temperature65°C (149°F)
Average maximum temperature53°C (127°F)
Security
Drive access restrictionsupported
Enhanced security erasesupported
Data destruction time380 minutes
Instant data destructionnot supported
Host protected area (HPA)not supported
Trusted computingnot supported