[Pre Order - allow extra time] Seagate 12TB Exos X18 7200 rpm SAS III 12 Gb/s 3.5" Internal HDD (OEM) 12TB Storage Capacity, 3.5" Form Factor, SAS III 12 Gb/s Interface, 256MB Cache, 7200 rpm, Data Transfer Speeds up to 270 MB/s, 2,500,000 Hours MTBF,...