Synology 12TB HAT5300 SATA III 3.5 Inch Internal Enterprise HDD – HAT5300-12T
Description
The Synology HAT5300-12T is a 12 TB, 3.5″ SATA III (6 Gb/s) enterprise hard drive engineered for 24/7 Synology NAS deployments. It spins at 7,200 RPM, features a 256 MB cache, and is optimized through deep hardware–software integration with DiskStation Manager for class-leading reliability and performance.
General Specifications
| Specification | Details |
|---|---|
| Capacity | 12 TB |
| Form Factor | 3.5″ |
| Interface | SATA III (6 Gb/s) |
| Rotational Speed | 7,200 RPM |
| Cache | 256 MB |
| Warranty | 5-year limited warranty |
Performance
| Metric | Specification |
|---|---|
| Sustained Sequential Transfer | Up to 281 MB/s |
| Sequential Read/Write (typical) | Up to 242 MB/s (Synology-integrated testing) |
| Random Read/Write (4 KB, QD1) | Not specified |
Performance figures reflect sustained throughput in Synology SNIA-compliant steady-state tests, with up to 23 % faster multi-client sequential read compared to peer drives in NAS environments.
Endurance & Reliability
| 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 of in-house stress tests |
Built for continuous operation, the HAT5300-12T delivers enterprise-grade durability and data integrity through persistent write caching and power-loss protection circuitry.
Power & Thermal
| Condition | Consumption |
|---|---|
| Active (random I/O, typical) | 8.11 W |
| Idle | 4.25 W |
| Operating Temperature | 5 °C to 60 °C |
| Non-Operating Temperature | –40 °C to 70 °C |
Power measurements taken under Synology’s standard test methodology with Toshiba AL14SEB drives; thermal design supports high-density NAS installations.
Physical & Environmental
| Attribute | Specification |
|---|---|
| Dimensions (L×W×H) | 147 × 101.6 × 26.1 mm |
| Weight | 720 g |
| Operating Humidity | 5 % to 95 % RH |
| Shock (operating) | 70 G, 2 ms |
| Shock (non-operating) | 250 G, 2 ms |
| Vibration (operating) | 0.75 G, 5–300 Hz |
| Vibration (non-operating) | 3.0 G, 5–500 Hz |
| Certifications | BSMI, CE, EAC, KCC, RCM, RoHS, TUV, UL |
Environmental specs ensure robust operation in demanding data-center and branch-office settings.
Key Features
- Class-Leading Reliability
Backed by Synology’s 5-year warranty and over 500,000 hours of validation testing, with enterprise MTBF and workload ratings. - High Throughput
Optimized for multi-client NAS environments, delivering up to 281 MB/s sustained transfer rates. - Data Protection
Persistent write cache and onboard power-loss protection guard against data corruption during outages. - Deep DSM Integration
One-click firmware updates, health monitoring, and accelerated RAID recovery through DiskStation Manager. - NAS-Optimized Performance
Up to 23 % faster sequential read speeds in Synology-integrated benchmarks versus comparable drives.
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