8TB enterprise 3.5-inch SAS hard drive
Synology HAS5300-8T 8TB Enterprise SAS HDD
The Synology HAS5300-8T is an 8TB, 7,200 rpm enterprise SAS hard drive engineered for supported Synology storage systems, with a 12 Gb/s SAS interface, 256 MiB cache, 2.5-million-hour MTTF rating and five-year warranty.
- Capacity
- 8 TB
- Interface
- SAS 12 Gb/s
- Rotational speed
- 7,200 rpm
- Transfer speed
- 241 MB/s typical
Validated SAS storage for demanding Synology deployments
The HAS5300-8T combines enterprise SAS connectivity with Synology firmware integration and model-specific performance, power and temperature specifications. It is a strong fit for supported systems where continuous workloads, predictable maintenance and drive validation are important purchasing factors.
12 Gb/s SAS interface
The enterprise SAS interface is designed for supported Synology storage systems that require SAS drives.
Enterprise workload profile
The HAS5300 series is rated for workloads up to 550 TB per year under Synology's stated definition.
Persistent write cache
Synology identifies persistent write-cache technology as a safeguard against data corruption during sudden power loss.
DSM firmware integration
Supported drive firmware updates can be delivered through DSM as part of the storage maintenance workflow.
Extensive Synology testing
The HAS5300 models underwent more than 200,000 hours of compatibility and stress testing on Synology systems.
Five-year coverage
A five-year limited warranty accompanies the published 2.5-million-hour MTTF rating.
Who is the Synology HAS5300-8T best for?
A strong choice for
- Supported Synology systems requiring 3.5-inch SAS drives
- Enterprise storage with an 8TB per-drive capacity target
- 24/7 data services and high-volume storage workflows
- Administrators seeking DSM-integrated firmware maintenance
- Deployments that require a five-year drive warranty
Consider another model if you need
- Your Synology system accepts SATA drives only
- The HAS5300-8T is not listed for your exact system
- You require a higher capacity per drive
Key specifications
- Capacity
- 8 TB
- Form factor
- 3.5-inch
- Interface
- SAS 12 Gb/s
- Rotational speed
- 7,200 rpm
- Maximum sustained transfer
- 241 MB/s typical
- Cache buffer
- 256 MiB
- MTTF
- 2.5 million hours
- Workload rating
- Up to 550 TB/year
- Active idle power
- 6.62 W typical
- Warranty
- 5 years
Full technical specifications
Hardware, performance and reliability
| Model | HAS5300-8T |
|---|---|
| Capacity | 8 TB |
| Form factor | 3.5-inch |
| Interface | SAS 12 Gb/s |
| Rotational speed | 7,200 rpm |
| Maximum sustained data transfer speed | 241 MB/s typical (230 MiB/s) |
| Cache buffer | 256 MiB |
| Mean time to failure (MTTF) | 2.5 million hours |
| Workload rating | Up to 550 TB per year |
| Warranty | 5 years |
Power and temperature
| Active idle power | 6.62 W typical |
|---|---|
| Random read/write power (4KB Q1) | 9.87 W typical |
| Power note | Power consumption may differ according to configurations and platforms. |
| Operating temperature | 5°C to 60°C (41°F to 140°F) |
| Non-operating temperature | -40°C to 70°C (-40°F to 158°F) |
Frequently asked questions about the Synology HAS5300-8T
What is the Synology HAS5300-8T?
It is an 8TB enterprise 3.5-inch SAS hard drive designed for supported Synology storage systems.
What interface does the HAS5300-8T use?
It uses a SAS 12 Gb/s interface.
What rotational speed does the HAS5300-8T use?
The drive operates at 7,200 rpm.
What transfer speed is listed for the HAS5300-8T?
The supplied specification lists 241 MB/s typical, equivalent to the 230 MiB/s figure in Synology's launch specification.
How much cache does the HAS5300-8T have?
Synology's official model table states 256 MiB of cache for the 8TB capacity.
What is the HAS5300-8T MTTF rating?
Synology states a mean time to failure rating of 2.5 million hours; this statistical rating is not a guarantee of product life.
What workload rating applies to the HAS5300-8T?
The HAS5300 series is rated for workloads up to 550 TB per year under Synology's definition.
Can HAS5300-8T firmware be updated through DSM?
Synology states that supported drive firmware updates are delivered through DSM.
Which systems support the HAS5300-8T?
Compatibility is model-specific. Verify the exact storage system on Synology's current compatibility list.
What warranty applies to the HAS5300-8T?
It has a five-year limited warranty beginning from the purchase date on the receipt.
- SAS compatibility is model-specific; confirm the exact Synology system before purchase.
- The MTTF value is a statistical reliability measure and is not an estimate or guarantee of an individual drive's life.
- Performance and power figures may vary with workload, testing method and system configuration.
