Synology HAS5310-12T internal hard drive 12 TB 7200 RPM 512 MB 3.5" SAS3

Up to 281 MB/s sustained data transfer Up to 19% faster drive repair in Synology NAS Rated for 2.5 million hours MTBF One-click drive firmware updates through DSM Engineered for top performance and reliability in Synology systemsUnmatched integration with DSM and Synology hardware enable HAS5300 SAS hard drives to reliably deliver class-leading performance in enterprise deployments. HAS5300 drives have passed 200,000 hours of rigorous testing on Synology hardware, feature a 2.5M-hour MTBF, and are covered by Synology’s 5-year limited warranty.Enterprise-readyThe HAS5300 series drives leverage the low-latency SAS protocol. When paired with high-performance and highly scalable Synology HD, SA, or UC series solutions, they ensure that mission-critical workloads always have access to dependable and fast storage.Back to peak performance fasterBuilding on two decades of storage expertise, Synology HAS5300 drives run on firmware optimized for critical workloads that matter. They allow Synology systems to repair degraded RAID arrays up to 27% faster than similar-class and capacity drives.Storage that stands the test of timeHard drives designed for SynologySee how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.ValidationRigorous tests and compatibility verification ensure maximum reliability on Synology systems, even while handling the most extreme workloads.DependableA 2.5 million-hour MTBF, support for up to 550 TB per year workloads, and persistent write cache technology come together to safeguard data integrity.One-click firmware upgradesAutomatic firmware update notifications and one-click installation through DSM minimize maintenance workload and reduce the chance of oversights.Faster issue diagnostics and resolutionDeploying Synology hard drives has led to nearly 40% fewer storage-related incidents and more efficient issue resolution for our users. Features Mean time between failures (MTBF) 2500000 h Workload rate limit 550 TB/year HDD sustained transfer rate 281 MiB/s HDD interface transfer rate 12 Gbit/s Storage drive buffer size 512 MB Hot-swap No Component for Server Type HDD Interface SAS3 HDD size 3.5" HDD speed 7200 RPM HDD capacity 12 TB Power Operating voltage 5 / 12 V Power consumption (idle) 3.76 W Power consumption (typical) 7.95 W Operational conditions Non-operating altitude -304.8 - 12192 m Operating altitude -304.8 - 3048 m Storage relative humidity (H-H) 5 - 95% Operating relative humidity (H-H) 5 - 90% Storage temperature (T-T) -40 - 70 °C Operating temperature (T-T) 5 - 60 °C Certificates Waste Electrical and Electronic Equipment (WEEE) compliance Yes Weight & dimensions Weight 690 g Height 26.1 mm Depth 147 mm Width 101.8 mm Packaging data Quantity per pack 1 pc(s) Other features Compliance certificates BSMI, CE, EAC, ICES, KC, RCM, RoHS, UKCA, UL Warranty period 5 year(s) leafletSynology Hard Drives: Your Synology Journey Starts with Purpose-Built Drives | Synology