Seagate IronWolf Pro 28TB ST28000NT000 3.5" SATA HDD 7200RPM
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28TB 3.5-inch CMR SATA hard drive for commercial and enterprise NAS storage
Seagate IronWolf Pro 28TB ST28000NT000 7,200RPM Hard Drive
The Seagate IronWolf Pro 28TB ST28000NT000 is a helium-sealed, 7,200RPM CMR hard drive with a SATA 6Gb/s interface, 512MB cache and an up-to-270MB/s sustained transfer rate. It is rated for 2.5 million hours MTBF and carries a five-year limited warranty.
- 28TB
- CMR
- 7,200RPM
- 270MB/s
- 512MB cache
- Five-year warranty
| Capacity |
28TB |
| Interface |
SATA 6Gb/s |
| Sustained transfer |
Up to 270MB/s |
| Workload |
550TB/year |
High-capacity CMR storage for multi-bay NAS
The Seagate IronWolf Pro 28TB ST28000NT000 is purpose-built for multi-bay, multi-user NAS environments. AgileArray, rotational-vibration sensors, IronWolf Health Management in supported systems and three years of Rescue Data Recovery Services complement the 550TB/year workload rating.
All-CMR NAS design
28TB of CMR storage supports consistent 24/7 multi-user NAS workloads.
AgileArray
Dual-plane balancing and time-limited error recovery are designed for RAID performance in multi-bay NAS systems.
550TB/year workload
The workload rating is designed for demanding commercial and enterprise NAS activity.
2.5M-hour MTBF
Seagate specifies a 2.5-million-hour MTBF population statistic with a five-year limited warranty.
Rescue Data Recovery
Three years of complimentary Rescue Data Recovery Services are included where available and subject to program terms.
IronWolf Health Management
IHM provides prevention, intervention and recovery recommendations in supported NAS platforms.
Who is the Seagate IronWolf Pro 28TB ST28000NT000 best for?
A strong choice for
- Commercial and enterprise multi-bay NAS systems
- Video-production RAID and shared network storage
- Business backup repositories
- High-capacity team file storage
- On-premises NAS workloads requiring 24/7 access
Consider another model if you need
- Your chassis, NAS or controller does not list this exact model as compatible
- Your system cannot provide adequate airflow and power
- You require a different interface such as SAS
- Your application requires SSD latency rather than HDD capacity
Key specifications
| Model |
ST28000NT000 |
| Series |
IronWolf Pro |
| Capacity |
28TB |
| Form factor |
3.5-inch |
| Interface |
SATA 6Gb/s |
| Recording |
CMR |
| Spindle speed |
7,200RPM |
| Cache |
512MB |
| Sustained transfer |
Up to 270MB/s |
| Workload rating |
550TB/year |
| MTBF |
2.5 million hours |
| Warranty |
Five-year limited warranty |
Full technical specifications
Identity, capacity and interface
| Manufacturer |
Seagate |
| Series |
IronWolf Pro |
| Model |
ST28000NT000 |
| Capacity |
28TB |
| Drive type |
NAS internal hard drive |
| Form factor |
3.5-inch |
| Interface |
SATA 6Gb/s |
| Interface speeds |
6.0, 3.0 and 1.5Gb/s |
| Interface ports |
Single |
| Recording technology |
CMR |
| Drive design |
Helium sealed |
| Sector format |
512e |
| Cache |
512MB |
| Hot-plug |
Platform-dependent; follow NAS vendor guidance |
Performance, workload and reliability
| Spindle speed |
7,200RPM |
| Maximum sustained transfer rate |
270MB/s |
| Workload rate limit |
550TB/year |
| MTBF |
2.5 million hours; population statistic |
| Nonrecoverable read errors |
1 per 10E15 bits read |
| Power-on hours per year |
8,760 |
| Rotational vibration |
12.5 rad/s |
| Warranty |
Five-year limited warranty |
| IronWolf Health Management |
Supported in compatible NAS systems |
| Rescue Data Recovery Services |
Three years; availability and terms vary |
| Drive bays supported |
Unlimited, subject to NAS/system qualification |
| Performance note |
Actual rates vary with workload, host, RAID level and operating conditions |
Power, environment and physical
| Startup current |
2.0A typical at 12V |
| Idle power |
6.8W average |
| Operating power |
8.3W average |
| Standby power |
1.2W typical |
| Sleep power |
1.2W typical |
| Power supply |
+12V and +5V |
| Operating temperature |
10°C to 60°C |
| Non-operating temperature |
-40°C to 70°C |
| Non-operating vibration |
2.27Grms |
| Operating shock |
30Gs |
| Non-operating shock |
200Gs |
| Dimensions |
146.99 × 101.85 × 26.11mm |
| Weight |
695g |
| Idle acoustics |
28dBA typical |
| Seek acoustics |
32dBA typical |
| Cooling note |
Use only within the chassis vendor's airflow and temperature requirements |
Frequently asked questions about the Seagate IronWolf Pro 28TB ST28000NT000
What is the ST28000NT000?
It is a 28TB Seagate IronWolf Pro 3.5-inch CMR SATA hard drive for commercial and enterprise NAS storage.
Is the ST28000NT000 CMR or SMR?
It uses conventional magnetic recording (CMR).
How fast is the ST28000NT000?
It spins at 7,200RPM and is rated up to 270MB/s sustained transfer rate.
How much cache does the ST28000NT000 have?
Seagate specifies 512MB of cache.
What workload rating applies to the ST28000NT000?
The published workload rating is 550TB per year.
What is the MTBF of the ST28000NT000?
Seagate specifies 2.5 million hours as a population-level MTBF statistic.
Can the ST28000NT000 be used in RAID?
Yes in a qualified system, but the exact drive, controller, firmware and RAID design must be verified.
What temperatures are specified for the ST28000NT000?
The published operating range is 10°C to 60°C; system airflow must keep the drive within limits.
What are the dimensions of the ST28000NT000?
It measures 146.99 × 101.85 × 26.11mm and weighs 695g.
What warranty applies to the ST28000NT000?
Seagate specifies a five-year limited warranty, subject to regional terms and workload conditions.
Important information:
- Confirm the exact model on the NAS, server or storage-system compatibility list.
- Capacity, performance and workload ratings do not replace RAID, backup and disaster-recovery planning.
- Provide appropriate rack or chassis airflow, power and vibration control.
- Rescue Data Recovery Services and IronWolf Health Management depend on regional and NAS-platform availability.
