Amazon.com: (Old Model) WD Green 4TB Desktop Hard Drive: 3.5-inch, SATA 6 Gb/s, IntelliPower, 64MB Cache WD40EZRX : Electronics
Western Digital Red Plus (5400RPM, 3.5,Hard Drive Western Digital Green 4TB 5400RPM 64MB SATA III WD40EZRX 3.5 Inch,Amazon.com: (Old Model) WD Green 4TB Desktop Hard Drive: 3.5-inch, SATA 6 Gb/s, IntelliPower, 64MB Cache WD40EZRX : Electronics,Western Digital WD Green WD40EZRX 4TB IntelliPower 64MB Cache SATA III 6.0Gb/s 3.5