Parameters of ST9200420AS with Firmware 3.AHC

General information
TrademarkSeagate
ModelST9200420AS
Capacity186.3 GB
InterfaceSATA
Firmware3.AHC
Alternative firmwares2
Firmware upgradesupported
ATA version7
Advanced Formatnot supported
Units tested1
Times tested1
Performance
Maximum interface speed300 MB/s
Maximum buffered read speed169 MB/s
Maximum read speed63 MB/s
Minimum average access time15.10 msec
Cache buffer16 MB
Volatile write cachesupported
Read look-aheadsupported
Command Queuing Optimization (NCQ)supported
Advanced Power Management (APM)supported
Acoustic Management (AAM)not supported
Reliability
Count of sensors24
Free-fall Controlnot supported
SMART Command Transport (SCT)supported
Duration of full self test64 minutes
Maximum temperature54°C (129°F)
Average maximum temperature54°C (129°F)
Security
Drive access restrictionsupported
Enhanced security erasesupported
Data destruction time62 minutes
Instant data destructionnot supported
Host protected area (HPA)not supported
Trusted computingnot supported