The Synology Plus Series HAT3320-20T is a 20 TB internal hard drive purpose-built for compatible Synology network attached storage (NAS) systems. Featuring a 3.5-inch form factor, SATA 6 Gb/s interface and 7,200 rpm rotational speed, it provides high-capacity storage for centralized files, business documents, backups and shared data. Designed for continuous NAS operation, the HAT3320-20T uses conventional magnetic recording (CMR) technology and delivers a typical maximum sustained data transfer speed of 295 MB/s. Integration with Synology DiskStation Manager (DSM) enables convenient firmware updates, while a 3-year limited manufacturer warranty supports long-term storage planning. Key Features 20 TB Storage Capacity: High-capacity storage for large file collections, business data and NAS backup requirements. 7,200 rpm Performance: Delivers a typical maximum sustained data transfer speed of 295 MB/s through a SATA 6 Gb/s interface. CMR Recording Technology: Uses conventional magnetic recording for consistent write performance in NAS workloads. 24/7 NAS Operation: Developed for continuous operation in compatible Synology storage systems. DSM Firmware Integration: Supports firmware updates directly through Synology DiskStation Manager without removing the drive. 3-Year Limited Warranty: Backed by Synology's manufacturer warranty, starting from the purchase date shown on the receipt. Technical Specifications Component Specification Synology Series Plus Series Model HAT3320-20T Produ Type Internal NAS Hard Drive Capacity 20 TB Form Factor 3.5-inch Interface SATA 6 Gb/s Rotational Speed 7,200 rpm Maximum Sustained Transfer Speed (Typical) 295 MB/s Recording Technology CMR (Conventional Magnetic Recording) Typical Active Idle Power 4.35 W Typical Random Read / Write Power 7.62 W (4 KB Q1) Operating Temperature 5°C to 60°C Non-Operating Temperature -40°C to 70°C Firmware Updates Through Synology DSM Manufacturer Warranty 3-Year Limited Warranty Compatibility & Important Information NAS Compatibility: Designed for compatible Synology NAS systems. Check the official Synology compatibility list for the exa NAS model before purchase. Drive Interface: Requires a compatible 3.5-inch SATA drive bay and SATA connection. DSM Integration: Firmware updates can be managed directly through Synology DiskStation Manager on supported systems. Storage Capacity: The usable capacity shown by the operating system may differ from the advertised 20 TB due to capacity measurement and storage configuration. RAID Configurations: Usable storage capacity and fault tolerance depend on the host NAS, installed drives and selected storage configuration. Performance: The stated 295 MB/s is a typical maximum sustained transfer speed; actual transfer speeds depend on the system and workload. Produ Specifications Manufacturers Link https://www.synology.com/en-br/products/drives/hdd/plus-hat Storage Specification Series Red Capacity 20 TB Interface SATA 6.0Gb/s RPM 7200 RPM Form Factor 3.5" Warranty Warranty 1 Year Please to review Q: What is the storage capacity of the Synology HAT3320-20T? A: The HAT3320-20T provides 20 TB of advertised storage capacity in a 3.5-inch hard drive. Q: Is the HAT3320-20T designed for Synology NAS systems? A: Yes. It is part of the Synology Plus Series, developed for compatible Synology NAS systems. Compatibility should be checked for the specific NAS model. Q: What is the rotational speed of this hard drive? A: The drive operates at 7,200 rpm and provides a typical maximum sustained data transfer speed of 295 MB/s. Q: Does the Synology HAT3320-20T use CMR or SMR technology? A: It uses conventional magnetic recording (CMR) technology, designed to deliver consistent write performance for NAS workloads. Q: Can the drive operate continuously? A: Yes. Synology Plus Series drives are designed for 24/7 operation in compatible NAS environments. Q: Can the hard drive firmware be updated through Synology DSM? A: Yes. Synology supports firmware updates through DiskStation Manager without requiring the drive to be removed from the NAS. Q: What interface does the HAT3320-20T use? A: It uses a SATA 6 Gb/s interface and has a 3.5-inch form factor. Q: What warranty does Synology provide for this model? A: Synology provides a 3-year limited manufacturer warranty starting from the purchase date shown on the purchase receipt.
