Western Digital WD Red 6 TB SATA NAS disco rigido WD60EFAX-68JH4N1 NASware 3.0
Western Digital WD Red 6.0TB hard drive with 256MB cache, model WD60EFAX-68JH4N1. This is for S/N WX32D4188AKE, which has no reallocated sectors and no read errors (see SMART screenshot from CrystalDiskInfo).