Parameters of ST9500420AS with Firmware 0005HPM1

General information
TrademarkSeagate
ModelST9500420AS
Capacity500.1 GB (465.7 GiB)
Form-factor2.5"
TypeHDD
InterfaceSATA
SATA version2.6
Firmware0005HPM1
Alternative firmwares12
Firmware upgradesupported
ATA version8 (ACS)
Advanced Formatnot supported
Units tested1
Times tested1
Performance
Maximum interface speed300 MB/s
Maximum buffered read speed226 MiB/s
Maximum read speed99 MiB/s
Minimum average access time15.60 msec
Cache buffer16 MiB
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 sensors24
Free-fall controlnot supported
SMART command transport (SCT)supported
Full self-test time107 minutes
Maximum temperature55°C (131°F)
Average maximum temperature55°C (131°F)
Security
Drive access restrictionsupported
Enhanced security erasesupported
Data destruction time102 minutes
Instant data destructionnot supported
Host protected area (HPA)not supported
Trusted computingnot supported