Parameters of WDC WD181KFGX-68CKWN0 with Firmware 83.00A83

General information
TrademarkWestern digital
ModelWDC WD181KFGX-68CKWN0
Capacity18 TB (16.3 TiB)
Form-factor3.5"
TypeHDD
InterfaceSATA
SATA version3.5
Firmware83.00A83
Firmware upgradesupported
ATA versionACS-4
Advanced Formatsupported
Units tested1
Times tested2
Performance
Maximum interface speed600 MB/s
Maximum buffered read speed257 MiB/s
Maximum read speed245 MiB/s
Minimum average access time40.44 msec
Volatile write cachesupported
Read look-aheadsupported
Native command queuing (NCQ)supported
Advanced power management (APM)supported
Acoustic management (AAM)not supported
Clearing unused data (TRIM)not supported
Rotation rate7200 rpm
Reliability
Count of sensors18
Free-fall controlnot supported
SMART command transport (SCT)supported
Full self-test time> 255 minutes
Critical maximum temperature70°C (158°F)
Recommended maximum temperature60°C (140°F)
Maximum temperature38°C (100°F)
Average maximum temperature38°C (100°F)
Security
Drive access restrictionsupported
Enhanced security erasenot supported
Data destruction time1664 minutes
Instant data destructionnot supported
Host protected area (HPA)supported
Host protected area passwordsupported
Trusted computingnot supported