Western Digital WD Red 3Tb WD30EFRX-68EUZN0 CMR 3.5" NAS SATA Hard Drive 5400rpm
Western Digital WD Red 3Tb WD30EFRX-68EUZN0 3.5" NAS SATA Hard Drive 5400rpm 64Mb cache. Note this is a superior original CMR drive from before WD started making the Red drives as SMR.