Firmwares Hitachi HTS545050B9A300 VersionPrevalence PB4OC64G35.294% PB4OC60F33.333% PB4OC66G11.275% PB4OCA1G8.824% PB4ZC61H4.902% PB4OC60N3.431% PB4ZC6ZH2.451% PB4OC60S0.49%