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Hitachi HDS722020ALA330 with Firmware JK0BB37B Information

Common characteristics
ManufacturerHitachi
ModelHitachi HDS722020ALA330
Capacity1863 GB
InterfaceSATA
SATA version2.6
Form-factor3.5"
FirmwareJK0BB37B
Alternative firmwares4
Firmware upgradesupported
ATA version8 (ACS)
Advanced Formatnot supported
Units tested1
Times tested4
Performance
Maximum speed interface300 MB/s
Buffered read speed249 MB/s
Average read speed105 MB/s
Average access time14.82 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
Highest temperature51°C, 123°F
Average highest temperature47°C, 116°F
Security
Drive access restrictionsupported
Enhanced security erasenot supported
Complete destruction of information500 minutes
Instant information destructionnot supported
Hidden partitionsupported
Partition access restrictionsupported
Trusted Computingnot supported