WD 4TB WD Gold Enterprise Class SATA HDD Internal Hard Drive HDD - WD4004FRYZ
Western Digital 4TB WD Gold Enterprise Class SATA HDD, 3.5" Internal Hard Drive HDD, 7200 RPM, 256MB Cache, CMR - WD4004FRYZ. WD Gold Enterprise Class SATA HDD. Projected 2.5M hours MTBF. In The Box.