Western Digital 4TB WD Blue PC Desktop Hard Drive, 3.5'' Internal CMR Hard Drive, 5400 RPM, 64MB Cache - WD40EZRZ
WD40EDAZ Western Digital Hard Drive,WD40EFRX-68WT0N0 - Western Digital 4TB 5400RPM SATA 6Gb/s 3.5-in HDD,Western Digital 4TB WD Blue PC Desktop Hard Drive, 3.5'' Internal CMR Hard Drive, 5400 RPM, 64MB Cache - WD40EZRZ,Western Digital Blue WD40EZRZ 4TB 3.5 SATA 6G HARD DRIVE