Synology 8TB HAS5300 SAS-3 3.5″ Internal Enterprise HDD – HAS5300-8T
Description
The Synology HAS5300-8T is an 8 TB, 3.5″ SAS-3 (12 Gb/s) enterprise HDD engineered for continuous 24/7 operation in Synology NAS and SAN systems. It features a helium-sealed design, 7,200 RPM spindle speed, 256 MB cache, and Synology-optimized firmware for reliable, high-availability performance in mission-critical environments.
General Specifications
| Specification | Details |
|---|---|
| Capacity | 8 TB |
| Form Factor | 3.5″ |
| Interface | SAS-3 (12 Gb/s) |
| Sector Format | 512e |
| Drive Design | Helium-sealed |
| Rotational Speed | 7,200 RPM |
| Cache | 256 MB |
| Warranty | 5-year limited |
Performance
| Metric | Specification |
|---|---|
| Sustained Data Transfer (Typ.) | 241 MB/s |
| RAID Rebuild Optimization | Up to 27 % faster |
Reliability & Data Integrity
| Attribute | Specification |
|---|---|
| Mean Time Between Failures (MTBF) | 2.5 million hours |
| Workload Rating | 550 TB/year |
| Validation Testing | Over 200,000 hours of in-house stress tests |
| Persistent Write Cache | Yes |
| Power-Loss Protection | Onboard capacitors |
Environmental Specifications
| Attribute | Specification |
|---|---|
| Operating Temperature | 5 °C to 60 °C |
| Non-operating Temperature | – 40 °C to 70 °C |
| Operating Humidity | 5 % to 95 % RH (non-condensing) |
| Certifications | CE, RCM, BSMI, KC, UKCA, UL, TUV, ICES, RoHS |
Physical Dimensions
| Attribute | Specification |
|---|---|
| Dimensions (L × W × H) | 147 × 101.6 × 26.1 mm |
| Weight | ~ 770 g |
Key Features
- Enterprise-Grade Durability: Rated 2.5 M-hour MTBF and 550 TB/year workload rating.
- Accelerated RAID Recovery: Optimized firmware delivers up to 27 % faster array rebuilds.
- Persistent Write Cache: Minimizes data corruption risk during power loss.
- Deep DSM Integration: One-click firmware updates and real-time health monitoring in DiskStation Manager.
- Rigorous Validation: Over 200,000 hours of stress testing on Synology systems ensure interoperability.
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