HGST Ultrastar 7K6 HUS726T4TAL4201 4 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
Western Digital Ultrastar 7K6 HUS726T4TAL5204 4 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
Western Digital Ultrastar 7K6 HUS726T4TALE6L4 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600)
Western Digital Ultrastar 7K6 HUS726T4TALS204 4 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
Western Digital Ultrastar 7K6 HUS726T6TAL4204 6 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
Western Digital Ultrastar 7K6 HUS726T6TAL5204 6 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)