Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5
Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5,WD Blue 4TB PC Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5in - WD40EZRZ (Renewed),WD40EFAX Western Digital WD40EFAX-68JH4N1 4TB 6Gb/s 3.5,Amazon.com: WD_Black 4TB Performance 3.5,WD Blue 3.5