
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
A 28TB, 7200 RPM, CMR 3.5-inch SATA drive engineered for 24/7 multi-bay NAS and enterprise RAID environments.
This drive is a strong fit for its intended purpose, offering 28TB of CMR storage with a 550TB/year workload rating and 2.5 million hours MTBF, making it ideal for demanding 24/7 multi-bay NAS and enterprise RAID environments. Its AgileArray technology and RV sensors specifically address the challenges of multi-drive systems, ensuring consistent performance.
If 28TB isn't enough, look for higher capacity drives or consider a multi-drive NAS setup to scale storage further.
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Pros
- Offers a massive 28TB storage capacity, suitable for extensive data needs.
- Features a 7200 RPM spindle speed and 512MB cache for rapid data access and transfers.
- Engineered for continuous 24x7 operation with a 550TB/year workload rating and 2.5 million hours MTBF.
- Includes a 5-year limited warranty and complimentary 3-year Rescue Data Recovery Services for data protection.
- Utilizes all-CMR technology for consistent performance in multi-user RAID systems.
- Equipped with AgileArray and rotational vibration (RV) sensors for stable performance in multi-bay NAS enclosures.
Cons
- Can exhibit noticeable seek noise during active operations, described by one user as similar to a '3.5-inch floppy disk'.
- Requires specific setup and compatible hardware, potentially leading to boot issues if not in a NAS/RAID environment.
- Some users reported concerns about shipping packaging for hard drives from certain retailers, which could lead to damage.
Dimension Scores
The 7200 RPM spindle speed and up to 270 MB/s data transfer rate are top-tier for a mechanical HDD, but not comparable to SSDs.
With a 2.5 million hours MTBF, 550TB/year workload rating, 5-year warranty, and 3-year data recovery services, this drive offers best-in-class dependability for an HDD.
A 28TB capacity is among the highest available for internal HDDs, providing massive storage for demanding applications.
Optimized for 3.5-inch SATA NAS and RAID environments, its compatibility is excellent within its niche but less universal for general desktop use, potentially requiring specific hardware setup.
Best For
- Multi-bay Network Attached Storage (NAS) systems requiring high capacity and 24/7 operation.
- Commercial and enterprise RAID storage solutions handling multi-user workloads.
- Media professionals and SMBs needing reliable, always-on storage for large datasets.
- On-premise AI model training where large data storage and consistent access are critical.
Not Recommended For
- Standard single-drive desktop PC use, as its features are optimized for NAS/RAID.
- Users highly sensitive to mechanical drive noise during active data access.
- Gaming PCs, where SSDs offer significantly faster loading times and responsiveness.
Watch Out For
- The drive's seek noise during active use has been compared to a '3.5-inch floppy disk' by one user, which might be distracting in quiet environments.
- Some users on Reddit reported receiving drives with inadequate packaging from retailers like Newegg, increasing the risk of shipping damage.
- This drive is designed specifically for NAS systems and may require specific setup and compatible hardware, potentially causing boot issues if installed in incompatible systems.
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
While the 28TB capacity and enterprise-grade reliability are frequently highlighted, user feedback points to the drive's seek noise as a notable characteristic, with one user likening it to a '3.5-inch floppy disk' during active operations. The drive's 24/7 performance and included data recovery services are consistently praised, but its specific optimization for NAS/RAID means it's not a plug-and-play solution for every setup. Concerns about shipping packaging from some retailers also surfaced, suggesting potential risks during delivery.
“This 28TB monster is exactly what my NAS needed, but man, when it's really working, it sounds like my old PC from the 90s trying to load a game!”
Common Praise
- Massive 28TB capacity provides ample storage for large datasets.
- Engineered for 24x7 operation, ensuring continuous data access and performance.
- Included 3-year Rescue Data Recovery Services offer peace of mind against data loss.
- Quiet operation when idle, making it less intrusive in some environments.
- High workload rating of 550TB/year supports demanding commercial and enterprise use.
Common Complaints
- Seek noise during active operations can be noticeable, described as a '3.5-inch floppy disk' sound.
- Requires specific setup and compatible hardware, not always straightforward for non-NAS users.
- Some retailers' shipping packaging for hard drives was reported as insufficient, raising concerns about potential damage.
Ownership Tips
- The drive remains silent during idle periods, only producing audible noise when actively reading or writing data.
- Its performance in a multi-bay NAS environment is consistent, even under heavy, multi-user loads, thanks to the RV sensors.
- Setting up the drive in a non-NAS system might require extra troubleshooting due to its specific optimization.
- The included data recovery service is a significant benefit, offering a safety net for critical data.
Frequently Asked Questions
What does CMR technology mean for this drive?
CMR (Conventional Magnetic Recording) means the drive uses a traditional recording method, ensuring consistent, predictable performance, which is crucial for 24x7 operation in multi-bay NAS and RAID systems.
Can I use this 28TB drive in a regular desktop computer?
While technically possible, this drive is optimized for NAS systems and may require specific setup and compatible hardware. Its features like AgileArray and RV sensors are designed for multi-bay environments, and it might not offer the best experience or compatibility in a standard desktop PC.
What is the workload rating of 550TB/year?
The 550TB/year workload rating indicates the maximum amount of data that can be written to or read from the drive annually without compromising its reliability and warranty, making it suitable for heavy-use scenarios in commercial and enterprise settings.
What are the Rescue Data Recovery Services included with this drive?
Seagate provides complimentary 3-year Rescue Data Recovery Services, offering a hassle-free, zero-cost data recovery experience in case of accidental data corruption or drive damage. Seagate claims an industry-leading 95% recovery rate.
How loud is the Seagate IronWolf Pro 28TB drive?
User feedback suggests the drive is quiet when idle. However, during active seeking, some users have described the noise as comparable to a '3.5-inch floppy disk'.
Buying Guide
When looking at a drive like this, you need to understand that it's built for specific, demanding tasks. This isn't just a bigger hard drive for your desktop. It's designed to run constantly, 24/7, in a Network Attached Storage (NAS) or RAID setup, where multiple users might be accessing data simultaneously. The 'workload rating' tells you how much data it can handle being written and read each year without breaking a sweat, which is crucial for its longevity in those environments.
Capacity (28TB)
This is simply how much data the drive can hold. 28 terabytes is a massive amount, like having thousands of Blu-ray movies or millions of photos. For NAS, it means you can store huge archives or support many users without running out of space quickly.
RPM (7200)
Revolutions Per Minute refers to how fast the platters inside the hard drive spin. A higher RPM, like 7200, generally means faster data access and transfer speeds, which is important for quick file retrieval in a multi-user NAS or RAID system.
CMR (Conventional Magnetic Recording)
CMR is a recording technology that ensures each data track is written independently without overlapping. This provides consistent and predictable performance, especially during sustained write operations, which is vital for the integrity and speed of data in RAID arrays and NAS systems.
MTBF (Mean Time Between Failures) & Workload Rating
MTBF (2.5 million hours) is a statistical measure of how long a drive is expected to operate before a failure, indicating its durability. The workload rating (550TB/year) tells you how much data can be written to and read from the drive annually. Both are key indicators of how well the drive will hold up under constant, heavy use in a server-like environment.
Alternatives
If you need faster data access for applications or operating systems, look for SSDs (Solid State Drives). If you don't require 24/7 enterprise-grade reliability or such high capacity for a desktop, consider standard desktop HDDs with lower workload ratings and capacities.



