Synology HAS5300-12T 12TB SAS Hard Drive 7200RPM 12Gb/s 256MB Cache
£574.41 inc.VAT / £478.68 exc.VAT
Synology HAS5300-12T 12TB SAS Hard Drive 7200RPM 12Gb/s 256MB Cache
Synology HAS5300-12T 12TB SAS Hard Drive 7200RPM 12Gb/s 256MB Cache is designed to tackle demanding, high-volume workloads.
Synology HAS5300-12T 12TB SAS Hard Drive w/ 7200RPM 12Gb/s 256MB Cache
Synology HAS5300-12T 12TB SAS Hard Drive 7200RPM 12Gb/s 256MB Cache
Synology HAS5300-12T 12TB SAS Hard Drive 7200RPM 12Gb/s 256MB Cache is designed to tackle demanding, high-volume workloads.
Optimised specifically for Synology storage solutions, its design enables high sequential throughput, maximising the number of concurrent clients the system can sustain.
The HAS5300-12T drive is engineered for maximum dependability, passing over 200,000 hours of validation.
Vital Statistics
- Model Number:Â HAS5300-12TB
- Capacity:Â 12TB
- Speed:Â 7,200RPM
- Cache:Â 256MB
- Interface:Â SAS 12Gb/s
- Form Factor:Â 3.5 inch
Key Features
- Enterprise Reliability and Durability
For demanding 24/7 environments, rated for 2.5 million hours MTTF and up to 550 TB per year workloads. - Persistent Write Cache Technology
Minimizes the chance of data corruption in the event of sudden power loss. - One-stop Update
Get automatic firmware updates together through DSM updates, reducing the need for additional maintenance sessions. - For Synology, by Synology
Stringent validation and up to 200,000 hours of tests ensures maximum reliability in Synology systems.

Enterprise-ready
The HAS5300-12T drives leverage the low-latency SAS protocol. When paired with high-performance and highly scalable Synology SA or UC series solutions (sold separately), they ensure that mission-critical workloads always have access to dependable and fast storage.
Back to peak performance faster
Building on two decades of storage expertise, Synology HAS5300-12T drives run on firmware optimised for critical workloads that matter.
They allow Synology systems to repair degraded RAID arrays up to 27% faster than similar-class and capacity drives.
Storage that stands the test of time
- Validation
Rigorous tests and compatibility verification ensure maximum reliability on Synology systems, even while handling the most extreme workloads. - Simplified maintenance
Drive firmware updates are shipped together with DSM updates, easing the burden on IT teams and ensuring your drives are always running the latest firmware versions. - Dependable
A 2.5 million-hour MTTF5, support for up to 550 TB per year workloads, and persistent write cache technology come together to safeguard data integrity.
Specifications
Hardware Specifications
General
Capacity
- 12TB
Form Factor
- 3.5″
Interface
- SAS 12Gb/s
Sector Size
- 512e
Performance
Rotational Speed
- 7,200 rpm
Interface Speed
- 12.0 Gb/s, 6.0 Gb/s, 3.0 Gb/s, 1.5 Gb/s
Buffer Size
- 256 MiB
Maximum Sustained Data Transfer Speed (Typ.)
- 242 MiB/s
Reliability
Mean Time to Failure (MTTF)
- 2.5 million hours
Workload Rating
- 550 TB Transferred per Year
Power Consumption
Supply Voltage
- 12 V (± 10%) / 5 V (+10/-7%)
Active Idle (Typ.)
- 4.36W
Random Read / Write (4KB Q1) (Typ.)
- 7.80W
- Note:Â Power consumption may differ according to configurations and platforms.
Temperature
Operating
- 5°C to 60°C (41°F to 140°F)
Non-operating
- -40°C to 70°C (-40°F to 158°F)
Shock
Operating
- 686 m/s2 {70 G} (2 ms duration)
Non-operating
- 2,450 m/s2 {250 G} (2 ms duration)
Vibration
Operating
- 7.35 m/s2 {0.75 G} (5 to 300Hz), 2.45 m/s2 {0.25 G} (300 to 500 Hz)
Non-operating
- 29.4 m/s2 {3.0 G} (5 to 500 Hz)
Altitude
Operating
- -305 m to 3,048 m
Non-operating
- -305 m to 12,192 m
Relative Humidity
Operating
- 5% to 90% R.H. (No condensation)
Non-operating
- 5% to 95% R.H. (No condensation)
Others
Size (Height x Width x Depth)
- 26.1 mm x 101.85 mm x 147 mm
Weight
- 720g
Certification
- CE
- EAC
- BSMI
- RCM
- KC
- ICES
- UKCA
- TUV
- UL
- RoHS
Standard Warranty: 5-Years
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