WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EZRZ
WD Blue WD40EZAX - hard drive - 4 TB - SATA 6Gb/s - WD40EZAX - Internal Hard Drives - CDW.com,Western Digital Blue WD40EZRZ 4TB 3.5 SATA 6G HARD DRIVE 718037840161 | eBay,WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EZRZ,WD40EZRZ-00WN9B0 - Western Digital 4TB 5400RPM SATA 6Gb/s 3.5-in HDD