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Deal.ai › Seagate
Seagate
Seagate IronWolf Pro 18TB SATA 6Gb/s 7200RPM 256MB Cache (512e) NAS 3.5-inch Internal Hard Drive - ST18000NE000

Seagate IronWolf Pro 18TB SATA 6Gb/s 7200RPM 256MB Cache (512e) NAS 3.5-inch Internal Hard Drive - ST18000NE000

Best price now

$708.74at CPU Republic LLCChecked Nov 12

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Price facts

  • Last seen at $708.74 at CPU Republic LLC on Nov 12.

Our take on the Seagate IronWolf Pro 18TB SATA 6Gb/s 7200RPM 256MB Cache (512e) NAS 3.5-inch Internal Hard Drive - ST18000NE000

The Seagate IronWolf Pro 18TB (ST18000NE000) is a 3.5-inch NAS hard drive built for multi-bay enclosures and always-on use. It spins at 7200 RPM with a 256MB cache and a SATA 6Gb/s interface, and Seagate rates it for 550TB of workload per year with a 2.5 million hour MTBF. That workload rating and the included rescue data recovery service put it above desktop drives and above the plain IronWolf line, which is rated lower. It suits NAS owners who want large capacity per bay and can accept the noise and heat of a 7200 RPM helium-filled drive.

Best forMulti-bay NAS owners who need large capacity per slotAlways-on home or small-office storage and backupsMedia libraries and archive serversBuyers who want a high annual workload rating
Pros
  • 18TB per bay, among the largest single-drive capacities
  • 550TB per year workload rating, well above desktop drives
  • 7200 RPM with 256MB cache for solid sequential throughput
  • Rated for 24/7 operation in multi-drive enclosures
  • Includes Seagate's rescue data recovery service
Cons
  • Audible seek noise and vibration in a quiet room
  • Runs warmer than 5400-class drives, so airflow matters
  • Helium-filled design means it cannot be repaired by third parties
  • Costs more per drive than the non-Pro IronWolf line

Seagate IronWolf Pro 18TB SATA 6Gb/s 7200RPM 256MB Cache (512e) NAS 3.5-inch Internal Hard Drive - ST18000NE000 prices at every store

  • CPU Republic LLCNew

    In stockReturn policy

    $708.74Checked Nov 12
    Visit CPU Republic LLC

What reviewers say

Owners of large NAS setups generally report the IronWolf Pro 18TB running reliably for years in RAID arrays, with good sequential speeds for backups and media. The recurring complaints are noise, heat and a small number of early failures.

What people mention
  • NoiseCriticisedOwners say seek noise and vibration are noticeable, especially in arrays in living spaces.
  • ReliabilityMixedMany report years of trouble-free 24/7 service, while some report early failures or dead-on-arrival units.
  • HeatCriticisedIt runs warmer than lower-RPM drives, so owners stress the need for airflow in the enclosure.
  • SpeedPraisedSequential transfers are fast for a hard drive, which owners like for backups and media.
  • CapacityPraised18TB per bay lets owners build large arrays with fewer drives.
  • Workload ratingPraisedThe high annual workload rating is cited as the reason to pick it over desktop drives.

About the Seagate IronWolf Pro 18TB SATA 6Gb/s 7200RPM 256MB Cache (512e) NAS 3.5-inch Internal Hard Drive - ST18000NE000

The Seagate IronWolf Pro ST18000NE000 is an 18TB internal hard drive made for NAS (network attached storage) use. It is a 3.5-inch drive that connects over SATA 6Gb/s.

The drive spins at 7200RPM and has a 256MB cache. It uses 512e sector formatting.

Model
ST18000NE000
Brand
Seagate
Series
IronWolf Pro
Capacity
18TB
Form factor
3.5-inch internal
Interface
SATA 6Gb/s
Speed
7200RPM
Cache
256MB
Sector format
512e
Intended use
NAS

Questions and answers

Is the IronWolf Pro worth it over the regular IronWolf?
The Pro adds a higher annual workload rating, a longer warranty and rescue data recovery. If you run a busy multi-bay NAS, that headroom matters; for light use the standard IronWolf is enough.
Does it work in a desktop PC?
Yes, it connects over standard SATA, but it is tuned for NAS use. It is louder and warmer than a desktop drive and its vibration tolerance is aimed at multi-drive enclosures.
What is the workload rating?
Seagate rates it for 550TB of data written per year, with a 2.5 million hour MTBF. That is well above typical desktop drives.
Is it helium-filled?
Yes, the 18TB model uses a sealed helium design, which lowers power use and turbulence. The seal means it is not serviceable outside Seagate.
What is in the box?
The drive itself, mounting screws and documentation. SATA cables and a tray or caddy are not included, so check your NAS enclosure.
Does it use shingled recording?
No, it is a conventional perpendicular-recording drive, so sustained write performance does not degrade the way SMR drives can.
Where is the Seagate IronWolf Pro 18TB SATA 6Gb/s 7200RPM 256MB Cache (512e) NAS 3.5-inch Internal Hard Drive - ST18000NE000 cheapest?
At CPU Republic LLC, for $708.74, as of our latest check.

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