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)
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
A 28TB, 7200 RPM, 512MB cache CMR drive with 5-year warranty and 3-year data recovery, built for 24x7 multi-bay NAS environments.
This 28TB IronWolf Pro drive is a strong fit for multi-bay NAS and RAID environments that operate 24x7, offering a 2.5 million hour MTBF and 550TB/year workload rating. Its AgileArray technology with RV sensors is specifically designed to maintain performance in these demanding setups.
If 28TB is overkill or too expensive, look for IronWolf Pro drives with lower capacities like 16TB or 20TB for a better price-per-TB ratio, or consider Seagate Exos drives for even higher enterprise-grade performance and reliability.
Regret Score™
Very Low 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
- 28 TB capacity for extensive data storage needs.
- 7200 RPM spindle speed and SATA III 6 Gb/s interface enable data transfer rates up to 270 MB/s.
- 2.5 million hours MTBF and 550TB/year workload rating support continuous 24x7 operation.
- Includes complimentary 3-year Rescue Data Recovery Services for accidental data loss.
- AgileArray technology with rotational vibration sensors and TLER maintains stable RAID performance in multi-bay systems.
- Backed by a 5-year limited warranty for extended coverage.
Cons
- Seeking noise can be noticeable, described by users as similar to "3.5" floppy disks back in the 1990s".
- High purchase price for a single 28TB drive makes implementing redundancy with multiple units expensive.
- Enterprise-class drives with 7200 RPM and multiple platters generally produce more noise than lower-capacity or desktop-focused drives.
- Some users reported early failures and filesystem corruption with similar IronWolf Pro capacities, requiring RMAs.
Dimension Scores
An advertised data transfer rate of up to 270 MB/s is very good for a 7200 RPM HDD, especially for this capacity.
A 2.5 million hour MTBF and 550TB/year workload rating, combined with a 5-year warranty and 3-year data recovery, are top-tier for a NAS HDD.
28TB is currently one of the highest capacities available in a 3.5-inch form factor, making it best-in-class for raw storage.
Optimized for NAS/RAID and 24x7 operation, it's highly compatible with its intended use, but less so for general desktop use where its specialized features are not utilized and noise might be a factor.
Best For
- Multi-bay NAS systems requiring 24x7 operation and high data availability.
- Commercial and enterprise RAID storage solutions demanding high capacity and performance.
- Media professionals and SMBs accumulating large amounts of networked data.
- Users prioritizing high capacity with included data recovery services for peace of mind.
Not Recommended For
- Quiet home office setups where drive noise is a significant concern.
- Budget-conscious users seeking the lowest price per terabyte.
- Single-drive desktop use without RAID redundancy, due to high cost and potential for data loss.
Watch Out For
- The drive's seeking noise is compared to "3.5" floppy disks back in the 1990s" by users.
- Expect to pay over $600 for a single 28TB unit, making a redundant setup (e.g., RAID 1) cost over $1200.
- Some users of similar IronWolf Pro capacities experienced filesystem corruption and needed to RMA drives within a week.
- Running multiple 7200 RPM enterprise drives, especially above 10TB, will generate more noise than consumer-grade drives.
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 finding is the consistent feedback on noise, with users comparing seeking sounds to old floppy drives, despite the drive being quiet at idle. While the 28TB model is new, some users of similar IronWolf Pro capacities have reported early failures and filesystem corruption, leading to multiple RMAs. However, many users praise the high capacity and the included data recovery services.
“Man, this 28TB drive holds everything, but when it's really working, it sounds like my old PC from the 90s, seriously, that floppy drive noise is back.”
Common Praise
- Massive 28TB capacity is ideal for extensive media libraries and backups.
- Included 3-year Rescue Data Recovery Services provides peace of mind.
- Consistent performance in NAS environments due to CMR technology and 7200 RPM.
- 5-year warranty is a strong indicator of expected longevity.
- Performs well in Synology NAS setups.
Common Complaints
- Noticeable seeking noise, described as "like using the 3.5" floppy disks back in the 1990s".
- Can be noisy during heavy write operations, with "grinding" sounds reported.
- High price point makes it expensive to implement redundancy with multiple drives.
- Some users experienced early failures and required multiple RMAs with similar IronWolf Pro models.
Ownership Tips
- The drive's noise profile changes significantly between idle and active use, becoming much more pronounced during data access.
- The sheer capacity means you might need to re-evaluate your backup strategy if you're only buying one drive.
- Despite the "Pro" label, some users have reported needing to utilize the warranty or data recovery services sooner than expected with similar models.
- The 5-year warranty and 3-year data recovery are significant benefits that add to the long-term value, especially given the high initial cost.
Frequently Asked Questions
Is this drive suitable for a desktop PC?
No, it's optimized for NAS systems and RAID environments, designed for 24x7 operation. While it can technically work in a desktop, its features like AgileArray and RV sensors are wasted, and it may be noisier than a desktop-specific drive.
How loud is this 28TB drive?
When idle, it's generally quiet, but during active seeking or heavy writes, users report it can be noticeable, with one comparing it to "3.5" floppy disks". Enterprise drives typically produce more noise due to their 7200 RPM and internal components.
Does it come with data recovery?
Yes, it includes complimentary 3-year Rescue Data Recovery Services, which covers accidental data corruption or drive damage.
What does CMR mean?
CMR stands for Conventional Magnetic Recording. It's a recording technology that offers consistent performance, especially important for NAS and RAID systems, unlike SMR (Shingled Magnetic Recording) which can have performance drawbacks in certain write scenarios.
What is the warranty period?
The drive comes with a 5-year limited warranty.
Buying Guide
When you're looking at a drive this big, you're not just buying storage; you're buying into a system. You need to think about how it fits into your NAS or RAID setup, because that's where it's designed to shine. Don't just look at the raw terabytes; consider the workload rating and MTBF if you plan on running it 24/7.
Capacity (28 TB)
This is how much data you can store. 28TB is huge, like having a massive digital library for all your movies, photos, and important files, especially useful for businesses or media creators.
Workload Rating (550TB/year)
This tells you how much data can be written to and read from the drive annually without shortening its lifespan. A 550TB/year rating means it's built for constant, heavy use, far beyond what a typical home user would generate.
MTBF (Mean Time Between Failures) (2.5 million hours)
This is an estimate of how long a drive is expected to operate before a failure. 2.5 million hours is a very high number, indicating it's engineered for extreme durability and reliability in always-on environments.
CMR (Conventional Magnetic Recording)
This is the technology used to write data. CMR drives offer consistent performance, especially for sustained writes and RAID rebuilds, which is crucial for NAS systems where data integrity and speed are paramount.
Alternatives
If you need similar enterprise-grade features but at a lower cost per terabyte, look for NAS drives with slightly smaller capacities (e.g., 16TB or 20TB) from the same product line, or consider enterprise-focused drives that prioritize raw performance over NAS-specific optimizations.
You Might Also Like
Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 2-Pack - 8TB
$300-$599A 2-pack of 8TB 7200 RPM CMR internal hard drives with 256MB cache, built for 24/7 multi-bay NAS environments.
QNAP TS-453E-8G-US 4 Bay High-Performance Desktop NAS with Intel Celeron Quad-core Processor, 8 GB DDR4 RAM and Dual 2.5GbE (2.5G/1G/100M) Network Connectivity (Diskless)
$600+A 4-bay diskless NAS with an Intel Celeron J6412, 8GB DDR4 RAM, dual 2.5GbE, and M.2 NVMe slots for businesses needing long-term support.
Seagate Exos 28TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF - ST28000NM000C (Renewed)
$300-$599This 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.
1TB G-Drive ArmorATD Rugged, Durable Portable External HDD, Up to 130MB/s, USB-C (5Gbps), USB 3.2 Gen 1 – SDPHE1G-001T
$50-$99A 1TB mechanical hard drive with a 130MB/s read speed and USB-C (5Gbps) connectivity, built for users needing rugged, portable storage for school or creative projects.