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Hitachi HDS722020ALA330 with Firmware JKAOA3EA Information

Common characteristics
ManufacturerHitachi
ModelHitachi HDS722020ALA330
Capacity1863 GB
InterfaceSATA
SATA version2.6
Form-factor3.5"
FirmwareJKAOA3EA
Alternative firmwares4
Firmware upgradesupported
ATA version8 (ACS)
Advanced Formatnot supported
Units tested17
Times tested33
Performance
Maximum speed interface300 MB/s
Buffered read speed213 MB/s
Average read speed112 MB/s
Average access time13.55 msec
Cache buffer29.2 MB
Volatile write cachesupported
Read look-aheadsupported
Command Queuing Optimization (NCQ)supported
Advanced Power Management (APM)supported
Acoustic Management (AAM)not supported
Rotation rate7200 rpm
Reliability
Count of sensors17
Free-fall Controlnot supported
SCT Transportsupported
Duration of full self test> 255 minutes
Maximum temperature limit70°C, 158°F
Maximum recommended temperature60°C, 140°F
Highest temperature71°C, 159°F
Average highest temperature45°C, 113°F
Security
Drive access restrictionsupported
Enhanced security erasesupported
Complete destruction of information540 minutes
Instant information destructionnot supported
Hidden partitionsupported
Partition access restrictionsupported
Trusted Computingnot supported