Western Digital Dell Ultrastar DC HC520 HUH721212ALE600 0F29595 12TB 7.2K RPM SATA CMR 6Gb/s 512e 256 MB Cache 3.5in Enterprise HDD (Renewed)
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AI Verdict
This 12TB 7.2K RPM SATA 6Gb/s 3.5-inch renewed enterprise HDD is for data centers or users needing high capacity storage at a lower cost, but expect potential setup quirks.
This 12TB 7.2K RPM enterprise drive offers high capacity and durability with a 2.5 million hour MTBF, making it suitable for demanding storage applications where cost is a factor. However, its 'renewed' status and potential 3.3V power disable issue mean it's not a plug-and-play solution for everyone.
If you need guaranteed new condition and full manufacturer warranty, look for a brand-new enterprise HDD, or consider an SSD for higher speed.
Regret Score™
Medium RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Offers a substantial 12TB capacity in a standard 3.5-inch form factor.
- Features a 2.5 million hours MTBF rating, indicating enterprise-grade durability.
- Utilizes PMR technology, ensuring compatibility with all capacity enterprise applications.
- Engineered for outstanding power efficiency (Watts/TB).
- Provides a SATA 6Gb/s interface and a 256 MB cache for data transfer.
Cons
- As a renewed product, it has prior usage, potentially up to 5 years in data centers.
- Being a mechanical hard disk, its read/write speeds are inherently slower than solid-state drives.
- May have a 3.3V power disable feature that could require an adapter or modification for some systems.
- Specific warranty details for this 'Amazon Renewed' product are not explicitly provided in the product specifications or search results.
Dimension Scores
The 7.2K RPM and SATA 6Gb/s interface provide standard enterprise HDD speeds, but mechanical drives are inherently slower than solid-state alternatives.
The 2.5 million hours MTBF rating is excellent for enterprise drives, but its renewed status means it has already seen significant operational time.
12TB is a substantial capacity for a single 3.5-inch drive, fitting high-volume storage requirements.
The standard SATA-600 interface and 3.5-inch form factor offer broad compatibility, but the potential 3.3V power disable issue can complicate installation for some users.
Best For
- Capacity-optimized data centers.
- Massive scale-out infrastructures.
- Big data analytics systems.
- Centralized video surveillance systems.
Not Recommended For
- Users needing primary boot drives for operating systems.
- Applications requiring extremely low latency.
- Users unwilling to troubleshoot potential 3.3V power disable issues.
Watch Out For
- The 3.3V power disable pin issue might prevent the drive from being recognized in some systems without a tape mod or adapter.
- Being a renewed drive, it has likely been in service in data centers for around 5 years, impacting its remaining lifespan compared to a new drive.
- Lack of clear, specific warranty information for the 'Amazon Renewed' product can be a concern for long-term use.
Full Specifications
| ASIN | B0FWFDXQX9 |
| Brand | Western Digital |
| Series | Ultrastar DC HC520 |
| Hard Drive | 12 TB Mechanical Hard Disk |
| Item Weight | 1.68 pounds |
| Manufacturer | Dell |
| Hard Disk Size | 12 TB |
| Special Feature | Hot Swappable |
| Installation Type | Internal Hard Drive |
| Item model number | HUH721212ALE600 |
| Compatible Devices | Desktop |
| Package Dimensions | 8.78 x 6.1 x 3.11 inches |
| Hard Disk Interface | Serial ATA-600 |
| Hard Drive Interface | Serial ATA-600 |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 12 TB |
| Hard Drive Rotational Speed | 7200 RPM |
What Buyers Say
This renewed Western Digital Dell Ultrastar DC HC520 offers a compelling 12TB of storage at a mid-range price, making it attractive for those needing high capacity without the new-drive cost. However, buyers should be aware that these drives have seen prior use in data centers, potentially for several years, and may require a simple modification for compatibility with some desktop systems due to a 3.3V power disable feature. While the enterprise-grade MTBF is reassuring, the 'renewed' status means individual drive history can vary.
“I got this 12TB drive for my home server, it's a lot of space for the money, but man, I had to tape off a pin to even get it to show up, wish they'd mentioned that upfront.”
Common Praise
- High storage capacity for the price point.
- Enterprise-grade build quality and MTBF rating.
- Suitable for server and NAS environments.
- Lower cost alternative to new drives.
Common Complaints
- Drives have significant power-on hours from prior data center use.
- Potential 3.3V power disable pin issue requiring modification for some systems.
- Uncertainty about remaining lifespan compared to new drives.
- Can be noisier than typical consumer-grade drives.
Ownership Tips
- Check SMART data immediately upon receipt for power-on hours and reallocated sectors.
- Be prepared to troubleshoot the 3.3V power disable issue if the drive isn't detected.
- These drives can run hotter and louder than typical consumer desktop drives.
- Consider a robust backup strategy given the renewed status.
Frequently Asked Questions
Is this drive new or renewed?
This is a renewed product, meaning it has been previously used, likely in a data center, and then refurbished for resale.
What does '7.2K RPM' mean?
It refers to the rotational speed of the drive's platters at 7200 revolutions per minute, which influences data access speed.
Will this work in my desktop PC?
Yes, it's compatible with desktops and uses a standard SATA interface, but some users might encounter a 3.3V power disable issue that requires a simple modification.
What is the expected lifespan of a renewed enterprise drive?
While new enterprise drives have a 2.5 million hour MTBF, renewed drives have already accumulated power-on hours, potentially around 5 years of use in data centers.
What is CMR technology?
CMR (Conventional Magnetic Recording) is a recording method where data tracks are written side-by-side without overlapping, generally preferred for consistent performance in enterprise environments.
Buying Guide
When buying a renewed enterprise hard drive like this, you're getting a drive designed for continuous operation in data centers, meaning it's built tough. However, 'renewed' means it's already been used, so you're trading a lower price for accumulated wear and a potentially shorter remaining lifespan than a brand-new unit. Always check the seller's specific warranty for renewed products.
Capacity (12 TB)
This is how much data the drive can store, like the size of a digital library; 12TB is enough for thousands of movies or millions of documents.
Interface (Serial ATA-600)
This is the connection type to your computer, like a highway for data; 6Gb/s is the maximum theoretical speed this highway can handle.
RPM (7.2K)
This indicates how fast the internal platters spin, affecting how quickly the drive can find and read data, similar to how fast a record player spins.
Renewed
This means the drive is pre-owned and refurbished, offering a cost saving but implying it has prior usage and might not have the full lifespan or warranty of a new drive.
Alternatives
If you need guaranteed new condition, look for new enterprise HDDs with full manufacturer warranties; for faster performance, consider solid-state drives (SSDs) with similar capacities.
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