Free Express Shipping! Synology 8TB HAS5300 SAS-3 3.5" Internal Enterprise HDD 8TB Storage Capacity, 3.5" Form Factor, SAS-3 12 Gb/s Interface, 256MB Cache, 7200 rpm, Up to 241 MB/s Sustained Transfer Rate, 2.5 Million Hours MTBF, 550TB Yearly Workload...