3.5” SATA HDD HAT5300 8TB HAT5300-8T Features: Up to 274 MB/s sustained data transfer Up to 23% faster sequential read in Synology NAS Purpose-built for Synology servers running 24/7 Automatic firmware updates with DSM Specifications: General Capacity 8 TB Form Factor 3.5" Interface SATA 6 Gb/s Sector Size 512e Performance Rotational Speed 7,200 rpm Interface Speed 6.0 Gb/s, 3.0 Gb/s, 1.5 Gb/s Buffer Size 256 MiB Maximum Sustained Data Transfer Speed (Typ.) 230 MiB/s Reliability Mean Time to Failure (MTTF) 2.5 million hours Workload Rating 550 TB Transferred per Year Warranty 5 Years Others Size (Height x Width x Depth) 26.1 mm x 101.85 mm x 147 mm Weight 770 g