[Pre Order - allow extra time] WD 10TB Red Plus 7200 rpm SATA III 3.5" Internal NAS HDD (2-Pack) 20TB Storage Capacity (2 x 10TB), 3.5" Form Factor, SATA III 6 Gb/s Interface, 256MB Cache, 7200 rpm, Data Transfer Speeds up to 215 MB/s, 600,000...