Synology HAS5300 Series 12TB 3.5 Inch Internal Enterprise Grade HDD
Key Features
- 12 TB SAS-3 / 12 Gb/s interface
- 7,200 RPM rotational speed
- 256 MB cache buffer
- 2.5 million-hour MTBF reliability
- 550 TB/year workload rating
Specification
| General | |
| Brand | Synology |
| Model | HAS5300 |
| MPN | HAS5300-12T |
| Type | Enterprise HDD |
| Key Features | |
| RPM Class | 7,200 RPM |
| Interface | SATA 6 Gbps |
| Sequential R/W | Read & Write: 274 MB/s |
| MTBF | 2 million hours |
| Basic Information | |
| Cache | 256 MB |
| Power | |
| Capacity | 12TB |
| Voltage | 5V / 12V |
| Physical Specification | |
| Form Factor | 3.5 inch |
| Weight | 720 g |
| Dimension | 147 x 101.6 x 26.1 mm |
| Warranty Information | |
| Warranty | No |
Description
The Synology HAS5300-12TB is a high-performance, enterprise-grade 3.5-inch hard disk drive (HDD) that uses the SAS-3 interface (12 Gb/s), optimized for use in Synology’s enterprise storage systems and other mission-critical deployments. It delivers a capacity of 12 terabytes, spinning at 7,200 rpm, with a 256 MB cache buffer, and typical sustained data transfer speeds around 242-254 MB/s. The drive is designed for 24/7 reliability with a Mean Time Between Failures (MTBF) of 2.5 million hours, and supports a workload of up to 550 TB transferred per year, including persistent write cache technology to guard against data loss during power events. Backed by rigorous compatibility testing (200,000+ hours) in Synology systems, it enjoys deep integration with DSM for firmware updates, efficient RAID rebuilds, and system diagnostics. It comes with a 5-year limited warranty, solidifying its standing for enterprise storage, video surveillance, archival, and large data pool applications.
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