Synology 20TB HAT3320 Plus Series SATA III 3.5" Internal NAS HDD

Designed to meet the reliability, endurance, and performance requirements of 24/7 storage in small- and medium-sized business storage systems, the 20TB HAT3320 Plus Series SATA III 3.5" Internal NAS HDD from Synology delivers NAS-class reliability to ensure consistent performance in high-uptime and multiuser environments. The HAT3320 Plus has passed 500,000 hours of testing and has a mean time between failure (MTBF) rating of 1.2 million hours and a yearly workload rating of 180TB. It is helium filled and features a storage capacity of 20TB, a SATA III 6 Gb/s interface, a 1GB cache, and a rotational speed of 7200 rpm, all of which help to ensure uninterrupted data transfers with sustained speeds of up to 295 MB/s.

Tested for Maximum Reliability

Stringent validation and up to 500,000 hours of testing ensure reliability in Synology systems.

Seamless Firmware Updates

Firmware updates can be performed directly in Synology DSM.

Reliable Recording Technology

Conventional magnetic recording (CMR) technology offers consistent performance.

Engineered for Endurance

Synology Plus Series HDDs are backed by a 1.2 million hour mean time between failure (MTBF) rating and 180TB per year workload rating, which is up to three times the limit of conventional desktop hard drives. Over 500,000 hours of compatibility and stress testing ensure smooth operation even under multi-user workloads.

Convenient Firmware Updates

Users are automatically notified when firmware updates become available for Synology Plus Series HDDs and can update drives seamlessly from DiskStation Manager (DSM) on their Synology storage system, eliminating the need for third-party tools and disk removal for firmware updates.

• 20TB Storage Capacity
• 3.5" Form Factor
• SATA III 6 Gb/s Interface
• 1GB Cache
• 7200 rpm
• Up to 295 MB/s Sustained Transfer Rate
• 1.2 Million Hours MTBF
• 180TB Yearly Workload Rating
• Helium Sealed

Technical Specifications

• Total Capacity: 20 TB
• Drive Type: SATA III / 3.5" HDD (7200 rpm)
• Read Speed: Maximum: 295 MB/s
• Write Speed: Maximum: 295 MB/s
• Encryption Support: No
• Mean Time Between Failures (MTBF): 1.2 Million Hours
• Endurance (Total Bytes Written): 180 TB
• Power Draw:
  
  • 7.62 W (Active)
  • 4.35 W (Idle)
• Input Power: 5 to 12 VDC
• Operating Conditions: 41 to 140°F / 5 to 60°C
• Storage Conditions: -40 to 158°F / -40 to 70°C
• Dimensions: 5.8 x 4.01 x 1" / 147 x 101.85 x 26.1 mm
• Weight: 1.6 lb / 730 g