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WD Red Plus 6TB NAS Hard Disk Drive - 5640 RPM Class SATA 6Gb/s, CMR, 128MB Cache, 3.5 Inch - WD60EFZX,

WD Red 6TB NAS Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5in - WD60EFRX (Renewed),

Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5,

WD60EFPX-68C5ZN0, WESTERN DIGITAL SATA 6TB WX12 OCT 2022,