Parameters of WDC AC28400R with Firmware 15.01J55

General information
TrademarkWestern digital
ModelWDC AC28400R
Capacity7.8 GB
InterfacePATA
Maximum Ultra DMA mode2
Firmware15.01J55
Alternative firmwares1
Firmware upgradenot supported
ATA version4
Advanced Formatnot supported
Units tested1
Times tested1
Performance
Maximum interface speed33,3 MB/s
Maximum read speed2 MB/s
Minimum average access time17.50 msec
Cache buffer512 KB
Volatile write cachesupported
Read look-aheadsupported
Command Queuing Optimization (TCQ)not supported
Advanced Power Management (APM)not supported
Acoustic Management (AAM)not supported
Reliability
Count of sensors10
Free-fall Controlnot supported
SMART Command Transport (SCT)not supported
Self testnot supported
Temperature sensornot supported
Security
Drive access restrictionnot supported
Enhanced security erasenot supported
Instant data destructionnot supported
Host protected area (HPA)not supported