Synology HAT3320-20T internal hard drive 20 TB 7200 RPM 3.5" Serial ATA III

20 TB 3.5" 7200 RPM Serial ATA III NAS HDD 6 Gbit/s 730 g Hard drives designed for SynologySee how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.Superior dependabilityUsing 100% conventional magnetic recording (CMR) technology, Plus Series disk drives ensure consistent write performance throughout their lifespans.Comprehensive testingSynology Plus Series drives are subjected to thorough compatibility and stress testing to ensure smooth 24/7 operation under multi-user workloads.Easy firmware updatesFirmware updates can be performed directly through DSM, ensuring drives benefit from the latest patches while eliminating the need for disk removal.Tuned for performanceFirmware and operating system–level optimizations enable up to 36% faster sequential reads compared to similar-class third-party drives. Features HDD capacity 20 TB HDD speed 7200 RPM HDD size 3.5" Interface Serial ATA III Type HDD Component for NAS HDD interface transfer rate 6 Gbit/s HDD sustained transfer rate 295 MiB/s 24/7 operation Yes Workload rate limit 180 TB/year Mean time between failures (MTBF) 1200000 h Power Power consumption (idle) 4.35 W Power consumption (write) 7.62 W Power consumption (read) 7.62 W Operating voltage 5 / 12 V Operational conditions Operating temperature (T-T) 5 - 60 °C Storage temperature (T-T) -40 - 70 °C Operating altitude -304.8 - 3.048 m Non-operating altitude -304.8 - 12.192 m Packaging content Manual Yes Weight & dimensions Weight 730 g leaflet