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- Capacity 4 TB
- Form Factor 3.5"
- Interface SATA 6 Gb/s
- Rotational Speed 5,400 rpm
- Max Sustained Transfer Speed (Typ.) 202 MB/s

Backed by 1 million hours MTBF and 180TB/year workload rating.
Stringent validation and up to 300,000 hours of testing ensure reliability in Synology systems.
Firmware updates can be performed directly in Synology DSM.
Conventional magnetic recording (CMR) technology offers consistent performance.
Synology Plus Series HDDs are backed by a 1 million hour Mean Time Between Failures (MTBF) rating and 180TB per year workload rating, which is up to three times the limit of conventional desktop hard drives. Over 300,000 hours of compatibility and stress testing ensure smooth operation even under multi-user workloads.
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.
| General | ||
| Capacity | 4 TB | |
| Form Factor | 3.5" | |
| Interface | SATA 6 Gb/s | |
| Performance | ||
| Rotational Speed | 5,400 rpm | |
| Max Sustained Transfer Speed (Typ.) | 202 MB/s | |
| Reliability | ||
| Warranty | 2 Years | |
| Power Consumption | ||
| Active Idle (Typ.) | 3.96 W | |
| Random Read/Write (4KB Q1) (Typ.) | 4.85 W | |
| Temperature | ||
| Operating | 0°C to 65°C (32°F to 149°F) | |
| Non-operating | -40°C to 70°C (-40°F to 158°F) | |
| Notes | ||
| Warranty starts from purchase date. | [Learn more] | |
| Power varies by configuration. | configurations | |
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