Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA
Western Digital Ultrastar DC HA340 internal hard drive 12 TB 7200 RPM 512 MB 3.5" Serial ATA
Dell 400-BLLF internal hard drive 4 TB 7200 RPM 3.5" Serial ATA III
Western Digital Ultrastar DC HA340 internal hard drive 12 TB 7200 RPM 512 MB 3.5" Serial ATA


