Hitachi HTS545050B9A300 Firmware Versions VersionPrevalence PB4OC64G38.095% PB4OC60F34.199% PB4OCA1G11.688% PB4OC66G11.255% PB4OC60N3.463% PB4OC60S0.433% PB4OC61J0.433% PB4OCA0G0.433%