12TB 3.5-inch data-centre hard drive
WD Ultrastar 12TB DC HC520 0F30146 3.5-inch SATA HDD
The WD Ultrastar DC HC520 0F30146 is a 12TB 7200 RPM SATA data-centre hard drive designed for storage-density and cost-efficient infrastructure, with PMR recording, a 256MB cache and a five-year limited warranty.
- Capacity
- 12TB
- Transfer rate
- Up to 255MB/s
- Recording
- PMR
- Warranty
- 5-year limited
Capacity and efficiency for data-centre and cloud storage
The WD Ultrastar DC HC520 0F30146 is positioned for public and private cloud environments where storage density and infrastructure cost are important. The supplied description states that the HC520 is designed for workloads up to 550TB per year and uses HelioSeal technology.
Up to 550TB/year workload
The supplied HC520 description states that the drive is designed to handle workloads up to 550TB per year.
HelioSeal platform
The source identifies the HC520 as part of Western Digital’s helium-filled HC500 series using HelioSeal technology.
PMR recording
The exact technical table lists PMR recording technology for this SATA model.
Data-centre positioning
The supplied description positions the series for public and private cloud environments where storage density matters.
7200 RPM and 256MB cache
The supplied specification lists 7200 RPM operation, 256MB cache and a transfer rate of Up to 255MB/s.
Five-year limited warranty
The supplied technical table lists a five-year limited warranty.
Who is the WD Ultrastar DC HC520 0F30146 best for?
A strong choice for
- Public or private cloud storage infrastructure
- Data-centre environments prioritising capacity density and infrastructure efficiency
- Workloads that fit within the supplied up-to-550TB-per-year positioning
- Deployments requiring the supplied 12TB SATA configuration
Consider another model if you need
- A different capacity or interface from this exact SATA listing
- A NAS-specific drive rather than a data-centre-focused model
- A system where exact drive compatibility has not yet been verified
Key specifications
- Model / SKU
- 0F30146
- Capacity
- 12TB
- Form factor
- 3.5-Inch
- Interface
- SATA
- Transfer rate
- Up to 255MB/s
- Speed
- 7200 RPM
- Recording technology
- PMR
- Cache
- 256MB
- Warranty
- 5-Year Limited Warranty
- Operating temperature
- 5°C to 60°C
Full technical specifications
Drive specifications
| Model / SKU | 0F30146 |
|---|---|
| Capacity | 12TB |
| Form Factor | 3.5-Inch |
| Interface | SATA |
| Transfer Rate | Up to 255MB/s |
| Disk Speed (RPM) | 7200 RPM |
| Recording Technology | PMR |
| Cache Size | 256MB |
| Security | SE |
Physical, environmental and warranty
| Warranty | 5-Year Limited Warranty |
|---|---|
| Dimensions (L x W x H) | 5.79" x 4" x 1.03" |
| Weight | 1.58 lbs |
| Operating Temperature | 5°C to 60°C |
| Non-Operating Temperature | -40°C to 70°C |
Frequently asked questions about the WD Ultrastar DC HC520 0F30146
What is the WD Ultrastar DC HC520 0F30146?
It is a 12TB 3.5-inch SATA data-centre hard drive positioned for public and private cloud storage environments.
What capacity does the 0F30146 provide?
The supplied specification lists 12TB.
What workload is stated for the HC520?
The supplied HC520 description states that it is designed to handle workloads up to 550TB per year.
What recording technology does the 0F30146 use?
The supplied table lists PMR recording technology.
What speed does the 0F30146 run at?
The supplied specification lists 7200 RPM.
What transfer rate is specified for the 0F30146?
The supplied specification lists Up to 255MB/s.
How much cache does the 0F30146 include?
The supplied table lists 256MB of cache.
What warranty is listed for the 0F30146?
The supplied specification lists a 5-Year Limited Warranty.
