
Seagate Exos 28TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF - ST28000NM000C (Renewed)
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AI Verdict
This 28TB, 7200 RPM, 3.5-inch CMR SATA 6Gb/s renewed hard drive is for serious data hoarders needing massive capacity at a lower price point.
This 28TB renewed Exos drive is a situational fit because its massive capacity and enterprise-grade specifications (7200 RPM, CMR, 2.5M MTBF) are excellent for specific use cases like large-scale archival or NAS. However, its 'renewed' status introduces an element of uncertainty regarding its long-term reliability compared to a new drive, making it less of a universal recommendation.
If the 'renewed' aspect is a concern, look for a new drive with a similar capacity and MTBF rating, or consider a new drive with a longer warranty for critical data.
Regret Score™
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Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
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Pros
- Offers a massive 28 TB capacity, allowing for storage of enormous datasets.
- Features a 7200 RPM spindle speed and SATA 6Gb/s interface for fast data access and consistent throughput.
- Utilizes CMR technology, designed for predictable performance and compatibility in RAID environments.
- Engineered for continuous 24/7 operation with a 2.5 million hour MTBF, indicating enterprise-grade durability.
- Standard 3.5-inch SATA form factor ensures seamless integration into most desktop, server, and NAS enclosures.
Cons
- As a 'Renewed' product, it carries inherent risks compared to new drives, such as potentially reduced lifespan or unknown prior usage history.
- The 512MB cache, while large, might not be sufficient for extremely demanding, high-transaction enterprise workloads compared to newer, larger cache drives.
- Mechanical hard drives, even at 7200 RPM, will have significantly slower random read/write speeds than solid-state drives.
- The drive's physical size (3.5 inches) means it won't fit in compact systems designed for 2.5-inch drives.
Dimension Scores
The 7200 RPM spindle speed and SATA 6Gb/s interface deliver fast, consistent throughput for a mechanical drive.
The enterprise-grade Exos line boasts a 2.5 million hour MTBF, but its 'renewed' status introduces uncertainty about its actual remaining lifespan.
With 28 TB, this drive offers massive capacity, ideal for large-scale data storage needs.
The standard 3.5-inch SATA form factor and SATA 6Gb/s interface ensure broad compatibility with most desktop, server, and NAS systems.
Best For
- Large-scale backup solutions requiring immense storage capacity.
- NAS systems and servers for archival or cold storage.
- Data centers looking to increase rack density and lower total cost of ownership.
- Enthusiast data hoarders building large home servers or media libraries.
Not Recommended For
- Users needing primary boot drives or high-performance application storage due to mechanical drive speeds.
- Systems with limited physical space that only accommodate 2.5-inch drives.
- Individuals who require a brand-new drive with a full manufacturer's warranty for peace of mind.
Watch Out For
- Since this is a 'Renewed' product, there's a higher chance of receiving a drive with more power-on hours or reallocated sectors than a new drive, though no specific complaints for this ASIN were found.
- Rebuilding large arrays with drives of this capacity, like a 28TB unit, can take an extremely long time; one user reported a 24TB parity rebuild taking 5-6 days, and a 28TB could be even longer.
- The lack of specific user reviews for this ASIN (B0GJ6Z1WVC) means you're buying without much direct feedback on its 'renewed' performance or longevity.
- While the product description mentions a 2.5M MTBF, this is for the enterprise-grade Exos line generally, and a 'renewed' unit's actual MTBF might be lower due to prior usage.
Full Specifications
| ASIN | B0GJ6Z1WVC |
| Brand | Seagate |
| Series | ST28000NM000C-CR |
| Hard Drive | 28 TB Mechanical Hard Disk |
| Item Weight | 2 pounds |
| Manufacturer | Seagate |
| Hard Disk Size | 28 TB |
| Special Feature | Enterprise-class reliability, Power-efficient design |
| Installation Type | Internal Hard Drive |
| Item model number | ST28000NM000C-CR |
| Compatible Devices | Desktop |
| Product Dimensions | 5.8 x 4 x 1 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 |
| Item Dimensions LxWxH | 5.8 x 4 x 1 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 28 TB |
| Hard Drive Rotational Speed | 7200 RPM |
What Buyers Say
Since this product was only made available on January 22, 2026, there aren't any widespread user reviews or complaints specifically for ASIN B0GJ6Z1WVC yet. However, discussions on Reddit about the 'Seagate (Recertified) Exos X 28TB' (which matches this product's description) generally focus on its value proposition for data hoarding and large storage needs. One user mentioned their $489 recertified 28TB drives have been 'fine' in TerraMaster DAS's. There are also general discussions about the time it takes to rebuild large arrays, which is a factor with any high-capacity drive.
“Okay, so I took a chance on this renewed 28TB Exos because the price for that much storage was just too good to pass up for my media server. I'm crossing my fingers it holds up, but so far, it's spinning and showing up fine. Fingers crossed!”
Common Praise
- Perceived as a cost-effective way to acquire massive storage capacity for data hoarding.
- The enterprise-grade Exos line is generally considered robust for 24/7 workloads.
- CMR technology is preferred for RAID environments due to predictable performance.
Common Complaints
- No specific complaints found directly related to the ASIN B0GJ6Z1WVC due to its recent release.
- General concerns exist around the 'renewed' status of drives, implying potential for unknown prior usage.
- Rebuilding large arrays with 28TB drives can be a very time-consuming process.
Ownership Tips
- Expect to spend considerable time initializing and integrating a drive of this size into an existing system or array.
- Monitor SMART data closely after installation, especially given its 'renewed' status, to catch any early signs of wear.
- Consider the power consumption of a 7200 RPM enterprise drive, especially if adding multiple units to a NAS.
- Have a robust backup strategy in place, as with any storage, but especially for a renewed high-capacity drive.
Frequently Asked Questions
What does 'Renewed' mean for this hard drive?
A 'Renewed' product typically means it's a pre-owned product that has been inspected, tested, and cleaned by Amazon-qualified suppliers to work and look like new. It comes with the Amazon Renewed Guarantee.
Is this drive suitable for a home desktop computer?
Yes, if your desktop supports 3.5-inch SATA drives and you need its massive 28TB capacity for storage. It's overkill for a typical boot drive but excellent for large media libraries or backups.
Can I use this drive in a RAID configuration?
Yes, its CMR technology is specifically designed for predictable performance and compatibility in RAID and enterprise storage environments.
What is the warranty on a 'Renewed' hard drive?
Amazon Renewed products typically come with the Amazon Renewed Guarantee, which gives you a replacement or refund within 90 days of receipt if the product does not work as expected.
How does 7200 RPM compare to other hard drives?
7200 RPM is a common speed for performance-oriented mechanical hard drives, offering faster data access than 5400 RPM drives but slower than SSDs.
Is this drive noisy during operation?
Enterprise-grade drives like the Exos series are built for data centers and can sometimes be louder than consumer-grade drives, though specific noise levels for this renewed model aren't available.
Buying Guide
When you're looking at a hard drive this big, you need to think about what you're actually going to do with all that space. This isn't for your operating system; it's for massive amounts of data you want to keep for a long time. Since it's 'renewed,' you're trading a lower price for a bit more risk, so always check the return policy and be ready to monitor its health.
Capacity (28 TB)
This is how much data the drive can hold. 28 terabytes is an enormous amount, like having thousands of Blu-ray movies or millions of photos. It's for serious data storage, not just a few documents.
Interface (SATA 6Gb/s)
This is how the drive connects to your computer or server. SATA 6Gb/s is the standard connection for most modern hard drives, ensuring it will plug right into almost any compatible system.
RPM (7200)
Revolutions Per Minute (RPM) tells you how fast the platters inside the drive spin. 7200 RPM means faster data access and transfer speeds compared to slower 5400 RPM drives, which is important when dealing with such large files.
CMR Technology
Conventional Magnetic Recording (CMR) is a traditional, more predictable way of writing data, especially important for drives used in RAID arrays where consistent performance is key. It's generally preferred over SMR (Shingled Magnetic Recording) for these types of applications.
Alternatives
If you need faster access for frequently used data, look for SSDs with capacities in the terabyte range. If you need a brand-new drive with a full manufacturer's warranty, search for new enterprise-grade HDDs with similar capacity and MTBF ratings.



