Western Digital Purple WD8002PURP internal hard drive 8 TB 7200 RPM 256 MB 3.5" Serial ATA

Western Digital Purple WD85PURZ internal hard drive 8 TB 5400 RPM 256 MB 3.5" Serial ATA III

Western Digital Red Plus internal hard drive 8 TB 5640 RPM 256 MB 3.5" Serial ATA III

Western Digital Red Plus WD100EFGX internal hard drive 10 TB 7200 RPM 256 MB 3.5" Serial ATA III

Western Digital Red Plus WD120EFGX internal hard drive 12 TB 7200 RPM 512 MB 3.5" Serial ATA III

Western Digital Red Plus WD20EFPX internal hard drive 2 TB 5400 RPM 64 MB 3.5" Serial ATA

Western Digital Red Plus WD30EFPX internal hard drive 3 TB 5400 RPM 256 MB 3.5" Serial ATA III

Western Digital Red Plus WD40EFPX internal hard drive 4 TB 5400 RPM 256 MB 3.5" Serial ATA III

Western Digital Red Plus WD60EFPX internal hard drive 6 TB 5400 RPM 256 MB 3.5" Serial ATA III

Western Digital Red Pro internal hard drive 12 TB 7200 RPM 512 MB 3.5" Serial ATA III

Western Digital Red Pro internal hard drive 22 TB 7200 RPM 512 MB 3.5" Serial ATA III

Western Digital Red Pro internal hard drive 24 TB 7200 RPM 512 MB 3.5" Serial ATA