Seagate IronWolf Pro 28TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST28000NT000)
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AI Verdict
This 28TB, 7200 RPM, CMR 3.5-inch SATA 6Gb/s drive is for multi-bay NAS environments needing high capacity and 24/7 operation with a 550TB/year workload rating.
This drive is a strong fit for its intended use case: multi-bay, multi-user commercial and enterprise NAS environments. Its 28TB capacity, 550TB/year workload rating, and 2.5 million hours MTBF directly address the demands of continuous, high-volume data operations. The inclusion of AgileArray and RV sensors further optimizes it for RAID performance.
If 28TB isn't enough, look for higher capacity IronWolf Pro models, which go up to 32TB, or consider a larger number of drives in your NAS.
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Pros
- Offers a massive 28 TB capacity for extensive data storage needs.
- Engineered for continuous 24x7 operation with a 2.5 million hours MTBF rating.
- Features a 550 TB/year workload rating, suitable for demanding commercial and enterprise NAS use.
- Includes 3 years of complimentary Rescue Data Recovery Services with a 95% recovery rate.
- Equipped with AgileArray, including rotational vibration (RV) sensors, for stable performance in multi-bay NAS systems.
- Backed by a 5-year limited warranty, providing extended coverage.
Cons
- Seeking operations produce a noticeable noise, described as similar to a 3.5-inch floppy disk.
- The 512MB cache, while substantial, might not be as large as some enterprise-grade SSD caches for specific high-IOPS workloads.
- Requires specific setup and compatible hardware, as it's designed for NAS/RAID environments.
Dimension Scores
The drive offers data transfer speeds of up to 270 MB/s, which is above average for a 7200 RPM HDD.
With a 2.5 million hours MTBF, a 550TB/year workload rating, and a 5-year warranty, this drive is designed for high dependability in 24/7 operations.
A 28 TB capacity is among the highest available for internal NAS HDDs, making it suitable for very large data storage requirements.
Optimized for NAS and RAID environments with SATA 6Gb/s interface and 3.5-inch form factor, it's highly compatible within its intended ecosystem.
Best For
- Commercial and enterprise multi-bay NAS systems requiring large-scale, always-on storage.
- Users needing high-capacity storage with a high annual workload rating (550TB/year).
- Environments where data integrity and recovery services are a priority, due to the included 3-year Rescue Data Recovery.
- Media professionals and SMBs needing reliable, high-performance storage for large files.
Not Recommended For
- Users seeking a completely silent storage solution, especially during active data seeking.
- Single-drive desktop PC users who don't require NAS-specific optimizations or the high workload rating.
Watch Out For
- The drive's seek noise is described by users as comparable to a 1990s floppy disk, which could be distracting in quiet environments.
- While the 3-year Rescue Data Recovery Service is included, some users question its value against the cost of the drive, suggesting replacement might be cheaper than recovery in some scenarios.
- This drive is specifically designed for NAS systems and may require specific setup and compatible hardware, potentially causing issues if used in incompatible setups.
Full Specifications
| ASIN | B0FFBPK8T7 |
| Brand | Seagate |
| Color | NAS PRO |
| Series | ST28000NT000 |
| Language | English, English, English |
| Hard Drive | 28 TB Mechanical Hard Disk |
| Item Weight | 1.72 pounds |
| Manufacturer | Seagate |
| Special Feature | Data Recovery Service |
| Installation Type | Internal Hard Drive |
| Item model number | ST28000NT000 |
| Compatible Devices | Desktop |
| Product Dimensions | 8.75 x 7 x 2.95 inches |
| Hard Disk Interface | Serial ATA |
| Hard Drive Interface | Serial ATA |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Item Dimensions LxWxH | 8.75 x 7 x 2.95 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 28 TB |
| Hard Drive Rotational Speed | 7200 |
What Buyers Say
The most surprising feedback is how quiet these 28TB IronWolf Pro drives are at idle, a significant improvement over older Seagate models. However, when the drive starts seeking data, users describe the sound as distinctly reminiscent of a 1990s floppy disk. Many users appreciate the peace of mind from the 5-year warranty and the included 3-year data recovery service, though some debate the actual cost-effectiveness of the recovery service versus drive replacement. The consistent performance in multi-bay NAS setups is frequently highlighted, attributed to its CMR technology and RV sensors.
“Man, these things are quiet when they're just sitting there, but when it starts looking for files, it sounds like my old 486 booting up, kinda funny actually.”
Common Praise
- Operates silently when idle, a noticeable improvement from previous Seagate drives.
- Provides consistent performance in 24x7 NAS environments due to its CMR design.
- The 5-year warranty offers long-term assurance.
- Rescue Data Recovery Services are a valuable safety net for data loss.
- Handles high annual workloads (550TB/year) without issues.
Common Complaints
- Produces a distinct 'floppy disk' noise during active seeking operations.
- Some question the real-world value proposition of the data recovery service compared to simply replacing a failed drive.
- The drive's specific optimization for NAS means it might be overkill or less ideal for non-NAS uses.
Ownership Tips
- The idle noise level is surprisingly low, making it less intrusive than expected for a high-capacity drive.
- The seek noise, while present, isn't constant and becomes part of the background hum in a server rack or dedicated NAS space.
- The drive runs consistently cool even under heavy 24/7 load in a multi-bay enclosure.
- Initial setup in a compatible NAS was straightforward, with the system recognizing the full 28TB capacity immediately.
Frequently Asked Questions
What does 'CMR' mean for this drive?
CMR stands for Conventional Magnetic Recording. It means the data tracks are written side-by-side without overlapping, which generally results in more consistent performance and better suitability for RAID arrays compared to SMR (Shingled Magnetic Recording) drives.
Is this hard drive suitable for a desktop computer?
While it can technically function in a desktop, it's optimized for NAS systems with features like AgileArray and RV sensors. Using it in a desktop might mean you're paying for features you don't fully utilize, and it might not be the quietest option for a personal workstation.
What is the actual data transfer speed of this drive?
The drive offers data transfer speeds of up to 270 MB/s.
How long is the warranty and what does it cover?
It comes with a 5-year limited warranty. Additionally, it includes 3 years of complimentary Rescue Data Recovery Services, which covers accidental data corruption or drive damage with a 95% recovery rate.
Will this drive be loud in my NAS enclosure?
Users report it's quiet when idle, but during active seeking, it produces a noticeable noise, described as similar to a floppy disk. This might be a factor depending on where your NAS is located.
Buying Guide
When you're looking at a hard drive like this, you're not just buying storage space; you're buying a tiny data center for your home or business. You need to think about how much data you'll actually store, how often you'll access it, and how critical that data is. This isn't for casual photo storage; it's for serious, always-on data needs. The 'Pro' in IronWolf Pro means it's built to handle constant work, like a marathon runner, not a sprinter.
Capacity (28 TB)
This is how much data the drive can hold, like the size of a library. 28 terabytes is a huge library, enough for thousands of movies, millions of documents, or massive backups. Don't just think about what you have now, but what you'll accumulate over the next few years.
RPM (7200)
Revolutions Per Minute tells you how fast the platters inside the drive spin, which directly impacts how quickly data can be read or written. Think of it like the engine speed in a car; higher RPM generally means faster access, crucial for quick file transfers and responsive NAS performance.
Workload Rating (550TB/year)
This spec indicates how much data can be written to and read from the drive annually without compromising its lifespan. It's like a car's mileage rating for heavy-duty use. A 550TB/year rating means this drive is built for constant, heavy data traffic, far beyond what a typical desktop drive handles.
MTBF (2.5 Million Hours)
Mean Time Between Failures is a statistical prediction of how long a drive is expected to operate before a failure. A 2.5 million hour MTBF is a very high number, suggesting this drive is engineered for extreme longevity and reliability in continuous operation, like a commercial airliner designed for thousands of flight hours.
Alternatives
If you need even more capacity, look for drives with 30TB or 32TB. If your NAS isn't running 24/7 or doesn't handle massive workloads, you might consider drives with a lower workload rating and MTBF to save some cash.
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