Synology Plus Series SATA III 3.5" 4TB 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 4TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD from Synology delivers NAS-class reliability to ensure consistent performance in high-uptime and multi-user environments. The HAT3300 Plus has passed 300,000 hours of testing, has a Mean Time to Failure (MTTF) rating of 1 million hours, and a yearly workload rating of 180TB.