Synology HAT3320 20TB Plus Series Internal NAS Hard Drive
The Synology HAT3320-20T is a purpose-built 20TB 3.5-inch internal NAS hard drive engineered specifically for 24/7 operation in home and small business Synology storage systems. Designed to deliver enterprise-class reliability with seamless DSM integration, this drive combines 7200 RPM performance, helium-sealed design, and CMR (Conventional Magnetic Recording) technology to ensure consistent write performance and data integrity in multi-user, high-uptime environments.
Why Choose Synology HAT3320 Drives?
Unlike generic NAS drives, the HAT3320 Plus Series is rigorously tested and validated specifically for Synology systems. With over 500,000 hours of compatibility and stress testing, these drives are optimized for RAID configurations, multi-bay NAS deployments, and continuous operation. Benefit from direct firmware updates through DSM, eliminating the need for third-party tools or drive removal, and enjoy peace of mind with 1.2 million hour MTBF and a 180TB/year workload rating.
Key Features
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Massive 20TB Capacity: Store extensive media libraries, backups, and business-critical data with ample room to grow
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Enterprise-Class Reliability: Backed by 1.2 million hours MTBF and 180TB annual workload rating for continuous 24/7 operation
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High-Speed Performance: 7200 RPM rotational speed with up to 295 MB/s sustained transfer rate and 1GB cache for responsive data access
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Helium-Sealed Design: Reduced friction and power consumption while maintaining consistent performance under load
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CMR Technology: 100% conventional magnetic recording ensures reliable write performance throughout the drive's lifespan
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Seamless DSM Integration: Automatic firmware updates and health monitoring directly through DiskStation Manager
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3-Year Limited Warranty: Comprehensive coverage with top-tier technical support and hardware replacement services from Synology
Built for Synology Ecosystems
The HAT3320 drives feature deep hardware-software integration with Synology DSM, enabling optimized RAID recovery operations, advanced health monitoring, and fine-tuned firmware that maximizes read/write speeds in multi-drive arrays. Whether you're running a home media server, small office file sharing system, or multi-user backup solution, these drives deliver the dependability and performance Synology systems demand.
Superior Dependability for Always-On Storage
Engineered with NAS-class components and validated through hundreds of thousands of hours of testing in Synology hardware, the HAT3320-20T ensures consistent performance in high-uptime environments. The drive's SATA III 6 Gb/s interface provides broad compatibility, while its optimized firmware works seamlessly with Synology's RAID implementations and snapshot technologies.
Ideal Applications
- Small and medium business storage systems
- Home NAS and personal cloud storage
- Media streaming and Plex servers
- Automated backup and disaster recovery
- Multi-user file sharing environments
- Surveillance recording and archiving
What's in the Box
- Synology HAT3320-20T 20TB Internal Hard Drive
- Quick Installation Guide
Full Specifications
Storage
| Capacity |
20 TB |
| Form Factor |
3.5 inch |
| Interface |
SATA III 6 Gb/s |
| Sector Size |
512e |
| Drive Design |
Helium-sealed |
| Recording Technology |
CMR (Conventional Magnetic Recording) |
Performance
| Rotational Speed |
7200 RPM |
| Cache |
1 GB |
| Maximum Sustained Transfer Speed |
295 MB/s (typical) |
| Interface Speed |
6 Gb/s |
Reliability
| MTBF |
1,200,000 hours |
| Workload Rating |
180 TB/year |
| Warranty |
3 Years Limited |
| Validation Testing |
Over 500,000 hours |
Power Consumption
| Active Idle (Typical) |
5.74 W |
| Random Read/Write 4KB Q1 (Typical) |
9.07 W |
Physical
| Dimensions (W × D × H) |
101.85 × 147 × 26.1 mm |
| Weight (Shipping) |
Approximately 0.69 kg |
Environmental
| Operating Temperature |
0°C to 60°C |
| Operating Environment |
24/7 continuous operation |
Specifications are sourced from the manufacturer product page and may be updated. Performance may vary depending on workload, testing methods, and system configuration.
