
Western Digital Ultrastar DC HC520 12TB SATA HDD (Renewed)
Reliable Storage for Demanding Workloads The Western Digital 12TB Ultrastar DC HC520 is a renewed enterprise-class hard drive designed for demanding workloads. With a high workload rating, HelioSeal technology, and rotational vibration safeguard, this drive offers reliable performance for data ce...
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
Notice a mistake? Let Us Know
Overview
Reliable Storage for Demanding Workloads
The Western Digital 12TB Ultrastar DC HC520 is a renewed enterprise-class hard drive designed for demanding workloads. With a high workload rating, HelioSeal technology, and rotational vibration safeguard, this drive offers reliable performance for data centers and enterprise environments.
Specifications:
- Capacity: 12TB
- Interface: SATA 6 Gb/s
- RPM Class: 7200 RPM
- Cache: 256MB
- Form Factor: 3.5"
- Workload Rating: Up to 550TB per year
- Technology: HelioSeal
- Vibration Protection: Rotational Vibration Safeguard (RVS)
Key Features
Designed with a workload rating up to 550TB per year, 10X desktop rating (Workload rate is defined as the amount of data transferred to or from the hard drive; Workload Rate is annualized (TB transferred X (8760/ recorded power on hours); Workload Rate will vary depending on your hardware and software components and configurations
Power Disable Feature, adapter cable included for compatibility with any SATA system
Five generations of HelioSeal technology (10TB and above)
Rotational Vibration Safeguard (RVS) technology for vibration protection
Zero Power On Hours
Specifications
Similar Products
Other products from the same family that visitors often consider:
✓ AvailableWestern Digital Ultrastar DC HC530 - 14TB SATA HDD Renewed
View on Amazon →
✓ AvailableWestern Digital WD Gold 12TB Enterprise HDD (Renewed)
View on Amazon →
✓ AvailableWestern Digital WD Ultrastar DC HC560 20TB SATA HDD (Renewed)
Currently UnavailableWestern Digital DC HC560 20TB SATA HDD Ultrastar
Check on Amazon →
✓ AvailableWestern Digital Ultrastar 2TB 7200RPM SATA HDD (Renewed)
Pros & Cons
👍 Pros
- Engineered for a high workload rating of up to 550TB per year, making it suitable for demanding enterprise environments.
- Features a workload rating 10X higher than desktop drives, indicating superior durability for continuous operation.
- Incorporates Rotational Vibration Safeguard (RVS) technology, providing enhanced protection against system vibrations.
- Designed with five generations of HelioSeal technology for 10TB and above models, which contributes to efficiency and reliability.
- Includes an adapter cable to ensure compatibility with any SATA system, increasing its versatility for various setups.
👎 Cons
- The product is a renewed item, which might raise concerns for some users compared to a brand-new unit.
- The workload rate will vary depending on hardware and software configurations, meaning actual performance may differ.
- The "Zero Power On Hours" feature, while beneficial for renewed drives, implies previous ownership rather than being factory new.
- Specific details on rotational speed (RPM) or cache size are not provided in the available features.
- Its enterprise-grade design might mean it's overkill or less cost-effective for typical consumer or desktop use cases.