Parameters of SAMSUNG HM640JJ with Firmware 2AK10001

General information
TrademarkSamsung
ModelSAMSUNG HM640JJ
Capacity640.1 GB (596.1 GiB)
Form-factor2.5"
TypeHDD
InterfaceSATA
SATA version2.6
Firmware2AK10001
Firmware upgradesupported
ATA version8 (ACS)
Advanced Formatnot supported
Units tested8
Times tested14
Performance
Maximum interface speed300 MB/s
Maximum buffered read speed227 MiB/s
Maximum read speed118 MiB/s
Minimum average access time15.68 msec
Cache buffer16 MiB
Volatile write cachesupported
Read look-aheadsupported
Native command queuing (NCQ)supported
Advanced power management (APM)supported
Acoustic management (AAM)supported
Clearing unused data (TRIM)not supported
Rotation rate7200 rpm
Reliability
Count of sensors27
Free-fall controlnot supported
SMART command transport (SCT)supported
Full self-test time127 minutes
Critical maximum temperature85°C (185°F)
Recommended maximum temperature80°C (176°F)
Maximum temperature74°C (165°F)
Average maximum temperature61°C (141°F)
Security
Drive access restrictionsupported
Enhanced security erasesupported
Data destruction time122 minutes
Instant data destructionnot supported
Host protected area (HPA)supported
Host protected area passwordsupported
Trusted computingnot supported