3.5” SATA HDD HAT5300 High-performance, reliable hard drives for Synology systems. Enterprise storage drives for Synology systems Synology HAT5300 HDD offers class-leading performance thanks to tight integration with DSM and Synology hardware. With over 300,000 hours of in-house validation testing and backed by Synology’s 5-year limited warranty1, the HAT5300 series brings unmatched reliability to Synology deployments. Capacity: 12TB Form Factor: 3.5" Interface: SATA 6 Gb/s Sector Size: 512e 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.): 242 MiB/s Mean Time to Failure (MTTF): 2.5 million hours Workload Rating: 550 TB Transferred per Year Warranty: 5 Years Automatic firmware updates with DSM Compatible Models: SA series: SA3600, SA3400 21 series: RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221 20 series: RS820RP+, RS820+, DS1520+, DS920+, DS720+, DS420+, DS220+ 19 series: RS1619xs+, DS2419+, DS1819+, DVA3219 18 series: RS3618xs, RS2818RP+, RS2418RP+, RS2418+, DS3018xs, DS1618+ 17 series: RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xs