Synology 12TB HAT3310 Plus Series SATA III 3.5″ Internal NAS HDD – HAT3310-12T
- 12TB Storage Capacity
- 3.5″ Form Factor
- SATA III 6 Gb/s Interface
- 512MB Cache
- 7200 rpm
- Up to 281 MB/s Sustained Transfer Rate
- 1.2 Million Hours MTBF
- 180TB Yearly Workload Rating
- Helium Sealed
Designed to meet the reliability, endurance, and performance requirements of 24/7 storage in small- and medium-sized business storage systems, the 12TB HAT3310 Plus Series SATA III 3.5″ Internal NAS HDD from Synology delivers NAS-class reliability to ensure consistent performance in high-uptime and multi-user environments. The HAT3310 Plus has passed 500,000 hours of testing, has a Mean Time Between Failure (MTBF) rating of 1.2 million hours, a yearly workload rating of 180TB, and is filled with helium instead of regular air. Also featured is a storage capacity of 12TB, a SATA III 6 Gb/s interface, a 512MB cache, and a rotational speed of 7200 rpm, all of which help to ensure uninterrupted data transfers with sustained speeds of up to 281 MB/s.
| Attribute | Specification |
|---|---|
| Capacity | 12 TB |
| Interface | SATA III (6 Gb/s) |
| Form Factor | 3.5″ |
| Rotational Speed | 7,200 RPM |
| Buffer | 512 MB |
| Disk Sector Format | 512e |
Performance
| Metric | Specification |
|---|---|
| Sequential Read | Up to 281 MB/s |
| Sequential Write | Up to 281 MB/s |
| Noise Level (Active) | 32.0 dB(A) |
| Noise Level (Idle) | 20.0 dB(A) |
Reliability & Data Integrity
| Attribute | Specification |
|---|---|
| Endurance (Total TBW) | 180 TB |
| MTBF | 1.2 million hours |
Electrical Specifications
| Attribute | Specification |
|---|---|
| Active Power | 6.85 W |
| Idle Power | 3.3 W |
| Voltage | 5 VDC, 12 VDC |
Environmental Conditions
| Attribute | Specification |
|---|---|
| Operating Temperature | 5 °C to 60 °C / 41 °F to 140 °F |
| Storage Temperature | –40 °C to 70 °C / –40 °F to 158 °F |
| Operating Humidity | 5% to 90% RH |
| Storage Humidity | 5% to 95% RH (non-condensing) |
| Storage Altitude | –304.8 m to 12,192 m / –1,000 ft to 40,000 ft |
Physical & Certification
| Attribute | Specification |
|---|---|
| Dimensions (L×W×H) | 147 × 101.85 × 26.11 mm / 5.8 × 4.01 × 1.03 in |
| Weight | 720 g / 1.6 lb |
| Certifications | CE, RCM, BSMI, KC, UKCA, UL, TUV, ICES, RoHS |
Packaging Information
| Attribute | Specification |
|---|---|
| Package Weight | 1.725 lb |
| Box Dimensions (L×W×H) | 8.9 × 6.2 × 2.9 in |





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