(Old Model) WD Green 4TB Desktop Hard Drive: 3.5-inch, SATA 6 Gb/s, IntelliPower, 64MB Cache WD40EZRX
WD40EDAZ Western Digital Hard Drive,Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5,(Old Model) WD Green 4TB Desktop Hard Drive: 3.5-inch, SATA 6 Gb/s, IntelliPower, 64MB Cache WD40EZRX,Western Digital WD Green WD40EZRX 4TB IntelliPower 64MB Cache SATA III 6.0Gb/s 3.5