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

Hard drives designed for Synology
See how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.

Superior dependability
Using 100% conventional magnetic recording (CMR) technology, Plus Series disk drives ensure consistent write performance throughout their lifespans.

Comprehensive testing
Synology Plus Series drives are subjected to thorough compatibility and stress testing to ensure smooth 24/7 operation under multi-user workloads.

Easy firmware updates
Firmware updates can be performed directly through DSM, ensuring drives benefit from the latest patches while eliminating the need for disk removal.

Tuned for performance
Firmware and operating system–level optimizations enable up to 36% faster sequential reads compared to similar-class third-party drives.