Firmwares Hitachi HTS545050B9A300 VersionPrevalence PB4OC64G35.122% PB4OC60F33.171% PB4OC66G11.22% PB4OCA1G9.268% PB4ZC61H4.878% PB4OC60N3.415% PB4ZC6ZH2.439% PB4OC60S0.488%