Synology HAT5320-20T internal hard drive 20 TB 7200 RPM 1024 MB 3.5" Serial ATA III

**Summary** The Synology HAT5320-20T is a 20 TB 3.5 7200 RPM Serial ATA III NAS HDD with a 1024 MB buffer size and 6 Gbit/s interface transfer rate. Designed for enterprise storage, it offers reliable performance and durability, backed by Synology’s 5-year limited warranty. The HAT5300 series is optimized for tight integration with DSM and Synology hardware, delivering consistent performance scaling and up to 23% higher sustained sequential read performance in multi-user environments. **Key Features** - Tight integration with DSM and Synology hardware. - 1024 MB buffer size. - 6 Gbit/s interface transfer rate.