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Deal.ai › Seagate
Seagate
Seagate IronWolf Pro 28TB ST28000NT000 3.5" SATA HDD 7200RPM

Seagate IronWolf Pro 28TB ST28000NT000 3.5" SATA HDD 7200RPM

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$1,358.00at NAS MarketplaceChecked Nov 9

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Price facts

  • Last seen at $1,358.00 at NAS Marketplace on Nov 9.

Our take on the Seagate IronWolf Pro 28TB ST28000NT000 3.5" SATA HDD 7200RPM

The IronWolf Pro 28TB (ST28000NT000) is a helium-sealed 3.5-inch CMR hard drive for NAS and enterprise storage. It spins at 7,200RPM over SATA 6Gb/s with a 512MB cache and a sustained transfer rate up to 270MB/s. Seagate rates it at 2.5 million hours MTBF and backs it with a five-year limited warranty. It sits at the top of the IronWolf Pro line, aimed at multi-bay NAS arrays where capacity per bay matters more than raw speed against SSDs.

Best forMulti-bay NAS owners who need maximum capacity per driveSmall businesses running backup and archive arraysMedia libraries and large cold-storage poolsBuyers who want a long warranty and high workload rating
Pros
  • 28TB per bay, the largest IronWolf Pro capacity
  • CMR recording, so no SMR write-speed drops in RAID rebuilds
  • Helium-sealed design keeps power and heat down for its size
  • Up to 270MB/s sustained transfer and 512MB cache
  • 2.5 million hours MTBF and a five-year limited warranty
Cons
  • 7200RPM mechanics make it louder than 5400RPM NAS drives
  • Hard drives remain slower than SATA or NVMe SSDs for random access
  • High capacity per drive means longer RAID rebuild times
  • Needs a NAS or desktop with 3.5-inch bays and SATA ports

Seagate IronWolf Pro 28TB ST28000NT000 3.5" SATA HDD 7200RPM prices at every store

  • NAS MarketplaceNew

    In stockShips from Australia · duties may applyReturn policy

    $1,358.00Checked Nov 9
    Visit NAS Marketplace

What reviewers say

Owners of large IronWolf Pro drives generally report steady performance in multi-bay NAS units and value the long warranty. Complaints center on noise and heat in dense arrays and on the cost of rebuilding large volumes.

What people mention
  • CapacityPraisedOwners like fitting 28TB into a single bay, which cuts drive count in large arrays.
  • NoiseCriticisedThe 7200RPM motor and seeks are audible, more so in desktop enclosures than in a rack.
  • ReliabilityPraisedBuyers cite the 2.5 million hour MTBF and five-year warranty as reasons to trust it in RAID.
  • HeatMixedHelium sealing helps, but owners still report warm drives in densely packed NAS bays.
  • Rebuild timeCriticisedAt this capacity a RAID rebuild takes many hours, which owners flag as a risk.

About the Seagate IronWolf Pro 28TB ST28000NT000 3.5" SATA HDD 7200RPM

The Seagate IronWolf Pro 28TB (ST28000NT000) is a 3.5-inch SATA hard drive for commercial and enterprise NAS storage. It is helium-sealed and uses CMR recording. It spins at 7,200RPM and has 512MB of cache.

It is built for multi-bay, multi-user NAS systems and supports 24/7 workloads. AgileArray uses dual-plane balancing and time-limited error recovery for RAID performance in multi-bay systems. Rotational-vibration sensors are included. IronWolf Health Management gives prevention, intervention and recovery recommendations in supported NAS platforms.

The drive has a 550TB/year workload rating and a 2.5-million-hour MTBF. It comes with a five-year limited warranty.

Capacity
28TB
Form factor
3.5-inch
Interface
SATA 6Gb/s
Rotational speed
7,200RPM
Recording
CMR
Cache
512MB
Transfer rate
Up to 270MB/s sustained
Workload
550TB/year
MTBF
2.5 million hours
Warranty
Five-year limited
Features
Helium-sealed, AgileArray, rotational-vibration sensors, IronWolf Health Management in supported systems
Model
ST28000NT000

Questions and answers

Is this drive CMR or SMR?
It is CMR. That matters for NAS use because CMR drives keep write speeds steady during RAID rebuilds, unlike SMR drives.
How does it compare with the standard IronWolf?
The Pro line adds a higher workload rating, a longer warranty and larger top capacities. The standard IronWolf is cheaper per terabyte at smaller sizes.
Will it work in my NAS?
It uses a standard 3.5-inch SATA 6Gb/s interface, so it fits most Synology, QNAP, TerraMaster and DIY NAS builds with 3.5-inch bays.
Is it fast enough for 4K video editing?
Sequential reads reach up to 270MB/s, which suits large file transfers and backups. For active editing, an SSD cache or NVMe scratch disk is faster.
What is in the box?
The drive itself. SATA cables and mounting screws are not included and usually come with the NAS or enclosure.
Does it need special cooling?
It is helium-sealed and runs cooler than older high-capacity air drives, but a NAS with active airflow is still recommended.
Where is the Seagate IronWolf Pro 28TB ST28000NT000 3.5" SATA HDD 7200RPM cheapest?
At NAS Marketplace, for $1,358.00, as of our latest check.

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