Parameters of ST9500420AS with Firmware 0004SDM1

General information
TrademarkSeagate
ModelST9500420AS
Capacity465.7 GB
InterfaceSATA
SATA version2.6
Firmware0004SDM1
Alternative firmwares12
Firmware upgradesupported
ATA version8 (ACS)
Advanced Formatnot supported
Units tested3
Times tested6
Performance
Maximum interface speed300 MB/s
Maximum buffered read speed174 MB/s
Maximum read speed102 MB/s
Minimum average access time16.90 msec
Cache buffer16 MB
Volatile write cachesupported
Read look-aheadsupported
Command Queuing Optimization (NCQ)supported
Advanced Power Management (APM)supported
Acoustic Management (AAM)supported
Rotation rate7200 rpm
Reliability
Count of sensors25
Free-fall Controlnot supported
SMART Command Transport (SCT)supported
Duration of full self test109 minutes
Critical maximum temperature60°C (140°F)
Recommended maximum temperature55°C (131°F)
Maximum temperature60°C (140°F)
Average maximum temperature51°C (123°F)
Security
Drive access restrictionsupported
Enhanced security erasesupported
Data destruction time104 minutes
Instant data destructionnot supported
Host protected area (HPA)supported
Host protected area passwordsupported
Trusted computingnot supported