Synology 8TB HAT5310-8T SATA III 3.5″ Internal Enterprise HDD
Description
The Synology HAT5310-8T is an 8 TB, 3.5″ SATA III (6 Gb/s) enterprise hard drive engineered for continuous 24/7 operation in Synology NAS environments. It combines high-density CMR technology, optimized firmware, and deep DiskStation Manager integration to deliver reliable performance and data protection.
General Specifications
| Attribute | Specification |
|---|---|
| Capacity | 8 TB |
| Form Factor | 3.5″ |
| Interface | SATA III (6 Gb/s) |
| Rotational Speed | 7,200 RPM |
| Cache | 512 MB |
| Sector Format | 512e |
| Warranty | 5 years |
Performance
| Metric | Specification |
|---|---|
| Sustained Sequential Transfer (Typ.) | 260 MB/s |
| Random Read/Write (4 KB, QD1, Typ.) | 9.29 W (Power draw) |
| Noise Level (Active/Idle) | 32 dB(A) / 20 dB(A) |
Reliability & Data Integrity
| Attribute | Specification |
|---|---|
| MTBF | 2.5 million hours |
| Workload Rating | 550 TB/year |
| Persistent Write Cache | Yes |
| Power-Loss Protection | Onboard capacitors |
| Validation Testing | > 500,000 hours in-house |
Power & Thermal
| Condition | Consumption / Range |
|---|---|
| Active Power (Typ.) | 5.61 W |
| Idle Power (Typ.) | — |
| Operating Temperature | 5 °C to 60 °C |
| Non-Operating Temperature | –40 °C to 70 °C |
Power consumption may vary by configuration and workload.
Physical & Environmental
| Attribute | Specification |
|---|---|
| Dimensions (L × W × H) | 147 × 101.6 × 26.1 mm |
| Weight | ~ 720 g |
| Shock (Operating/Non-op.) | 70 G / 250 G, 2 ms |
| Vibration (Operating/Non-op.) | 0.75 G (5–300 Hz) / 3 G (5–500 Hz) |
| Humidity (Op./Non-op.) | 5 %–95 % RH (non-condensing) |
Compatibility
Compatible with Synology enterprise HDD series and expansion units, including:
- HAT5300-4T, HAT5310-8T, HAT5300-12T, HAT5300-16T, HAT5310-20T models
- Rx1217*, RX1222sas, RX2417sas, RX1217RP expansion enclosures
Key Features
- High-Density Storage: 8 TB CMR design maximizes rack capacity.
- Synology-Optimized Firmware: Purpose-built for DiskStation Manager with one-click firmware updates.
- Enterprise Reliability: Backed by 5-year warranty, 2.5 million-hour MTBF, and in-house stress testing.
- Data Protection: Persistent write cache and power-loss protection circuitry prevent data loss.
- Accelerated RAID Rebuild: Firmware optimizations reduce rebuilding time.
Ideal Use Cases
- Multi-client file sharing and collaboration
- Centralized backup targets for enterprise environments
- Surveillance and archive storage
- Capacity-tier storage in hybrid cloud architectures





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