Synology 20TB HAT3320 Plus Series SATA III 3.5" Internal NAS HDD

Designed to meet the reliability, endurance, and performance requirements of 24/7 storage in small- and medium-sized business storage systems, the 20TB HAT3320 Plus Series SATA III 3.5" Internal NAS HDD from Synology delivers NAS-class reliability to ensure consistent performance in high-uptime and multiuser environments. The HAT3320 Plus has passed 500,000 hours of testing and has a mean time between failure (MTBF) rating of 1.2 million hours and a yearly workload rating of 180TB. It is helium filled and features a storage capacity of 20TB, a SATA III 6 Gb/s interface, a 1GB cache, and a rotational speed of 7200 rpm, all of which help to ensure uninterrupted data transfers with sustained speeds of up to 295 MB/s.