Parameters of WDC WD4000FYYZ-01UL1B2 with Firmware 01.04Q.9

General information
TrademarkWestern digital
ModelWDC WD4000FYYZ-01UL1B2
Capacity4 TB (3.6 TiB)
TypeHDD
InterfaceSATA
SATA version3.0
Firmware01.04Q.9
Alternative firmwares2
Firmware upgradesupported
ATA versionACS-2
Advanced Formatsupported
Units tested1
Times tested1
Performance
Maximum interface speed600 MB/s
Maximum buffered read speed441 MiB/s
Maximum read speed170 MiB/s
Minimum average access time14.20 msec
Volatile write cachesupported
Read look-aheadsupported
Native command queuing (NCQ)supported
Advanced power management (APM)not supported
Acoustic management (AAM)supported
Clearing unused data (TRIM)not supported
Rotation rate7200 rpm
Reliability
Count of sensors17
Free-fall controlnot supported
SMART command transport (SCT)supported
Full self-test time> 255 minutes
Critical maximum temperature85°C (185°F)
Recommended maximum temperature60°C (140°F)
Maximum temperature48°C (118°F)
Average maximum temperature48°C (118°F)
Security
Drive access restrictionsupported
Enhanced security erasesupported
Data destruction time434 minutes
Instant data destructionnot supported
Host protected area (HPA)supported
Host protected area passwordsupported
Trusted computingnot supported