Synology Enterprise Series 3.5" 12TB SAS Hard Disk Drive - HAS5310-12T - Storage Capacity: 12TB - Form Factor: 3.5" - RPM: 7200 rpm - Interface: SAS 12 Gb/s - Features: Maximum Durability and Strong Data Protection, Perfect for Scalable and High-Availability Systems - HAS5310-12T

· 12TB Storage Capacity
· 3.5" Form Factor
· SAS-3 12 Gb/s Interface
· 512MB Cache
· 7200 rpm
· 2.5 Million Hours MTBF
· Up to 281 MB/s Sustained Transfer Rate

Designed to meet the capacity, efficiency, and reliability needs of modern enterprise deployments, the 12TB HAS5310 SAS-3 3.5" Internal Enterprise HDD from Synology empowers host systems to serve large pools of concurrent clients. The HAS5310 has passed 200,000 hours of testing on Synology hardware, has a Mean Time to Failure (MTTF) rating of 2.5 million hours, and a yearly workload rating of 550TB. Also featured is a storage capacity of 12TB, a SAS-3 12 Gb/s interface, a 512MB cache, and a rotational speed of 7200 rpm, all of which help to ensure uninterrupted data transfers with sustained speeds of up to 281 MB/s.