WD Re 500GB Datacenter Capacity Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 64MB Cache 3.5 inch WD5003ABYZ

WD Re 1TB Datacenter Capacity Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 64MB Cache 3.5 inch WD1003FBYZ

WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURX

WD Purple 6TB Surveillance Hard Disk Drive - 5700 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD60PURZ

Western Digital

WD Gold 8TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 128MB Cache 3.5 Inch - WD8002FRYZ

WD Se WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Datacenter Capacity HDD Bare Drive

Western Digital

WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EZRZ

WD5000AZLX Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 32MB Cache 3.5 Inch - OEM

WD Red Plus 14TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch

WD Red Plus 6TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD60EFRX