Free Express Shipping! Toshiba 6TB N300 PRO 7200 rpm SATA III 3.5" Internal NAS HDD 6TB Storage Capacity,3.5" Form Factor,SATA III 6 Gb/s Interface,512MB Cache,7200 rpm Rotational Speed,Up to 281 MB/s Data Transfer Speeds,24/7 Operation,Supports 24-Bay...