WD Gold WD181KRYZ 18 TB Hard Drive - 3.5" Internal - SATA (SATA-600)
WD Gold WD202KRYZ 20 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method
WD Red Pro WD142KFGX 14 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method
WD Red Pro WD161KFGX 16 TB Hard Drive - 3.5" Internal - SATA (SATA-600)
WD Ultrastar DC HC550 18 TB Hard Drive - 3.5" Internal - SAS (12Gb-s SAS)
Western Digital Ultrastar DC HC550 16 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)