Find the Best Value IronWolf Capacity
Seagate IronWolf drives ranked by price per terabyte
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Seagate IronWolf is the mainstream NAS-rated CMR range, split into two tiers. Standard IronWolf targets 1 to 8-bay home and small-office units, while IronWolf Pro adds higher workload ratings, vibration sensors and a longer warranty for busier or larger arrays. The live table below ranks current Seagate IronWolf prices by price per terabyte.
Where Seagate IronWolf fits
Seagate IronWolf is the mainstream NAS-rated CMR range, split into two tiers. Standard IronWolf targets 1 to 8-bay home and small-office units, while IronWolf Pro adds higher workload ratings, vibration sensors and a longer warranty for busier or larger arrays. Both carry IronWolf Health Management and Seagate AgileArray firmware tuned for RAID.
Workload rating and warranty
Seagate's data sheets rate every standard IronWolf model at 180TB a year, with a 1-million-hour MTBF and a 3-year limited warranty, for NAS of one to eight bays. IronWolf Pro is not one rating: it depends on the model number. NE-series models such as the ST14000NE0008 are rated 300TB a year and 1.2 million hours; NT-series models such as the ST20000NT001 are rated 550TB a year and up to 2.5 million hours, for any number of bays. Both Pro series carry a 5-year limited warranty. The table of ratings by model number is below.
Capacities and which NAS it suits
The standard IronWolf models in the Seagate data sheets we read run from 1TB to 16TB. IronWolf Pro reaches 32TB. The 4TB to 12TB IronWolf drives are the sweet spot for most homes; the larger Pro models suit Plex servers and prosumer builds.
IronWolf suits 1 to 8-bay home and SOHO NAS units; IronWolf Pro suits 4-bay and larger or higher-workload pools.
Best Seagate IronWolf by need
| Use case | Best choice | Why |
|---|---|---|
| Home and SOHO NAS | IronWolf (180TB/yr) | NAS-tuned CMR at a fair price, 4TB to 12TB. |
| Busy or larger pools | IronWolf Pro (300 or 550TB/yr by model) | Higher workload, vibration sensors, 5-year warranty. Check the model number. |
| Maximum capacity | IronWolf Pro 20TB+ | High-density helium drives for 4-bay and up. |
IronWolf ratings by model number
| Model number | Capacity | Recording | Workload rate | MTBF | AFR | Warranty | Bays supported | Seagate document |
|---|---|---|---|---|---|---|---|---|
| ST16000VN001 | 16TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS1904.23-2509 |
| ST12000VN0008 | 12TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS1904.23-2509 |
| ST12000VNZ008 | 12TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS15.1-2501 |
| ST10000VN000 | 10TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS1904.23-2509 |
| ST10000VN0004 | 10TB | Not stated by Seagate | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | Not stated by Seagate | DS1904.4-1608 |
| ST8000VN002 | 8TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS1904.23-2509 |
| ST8000VN0022 | 8TB | Not stated by Seagate | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | Not stated by Seagate | DS1904.4-1608 |
| ST8000VN004 | 8TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS1904.23-2509 |
| ST8000VNZ02 | 8TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS15.1-2501 |
| ST6000VN0041 | 6TB | Not stated by Seagate | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | Not stated by Seagate | DS1904.4-1608 |
| ST6000VN006 | 6TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS1904.23-2509 |
| ST6000VNZ06 | 6TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS15.1-2501 |
| ST4000VN006 | 4TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS1904.23-2509 |
| ST4000VN008 | 4TB | Not stated by Seagate | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | Not stated by Seagate | DS1904.4-1608 |
| ST4000VNZ06 | 4TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS15.1-2501 |
| ST3000VN007 | 3TB | Not stated by Seagate | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | Not stated by Seagate | DS1904.4-1608 |
| ST2000VN003 | 2TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS1904.23-2509 |
| ST2000VN004 | 2TB | Not stated by Seagate | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | Not stated by Seagate | DS1904.4-1608 |
| ST2000VNZ03 | 2TB | CMR | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | 1-8 Bays | DS15.1-2501 |
| ST1000VN002 | 1TB | Not stated by Seagate | 180TB a year | 1 million hours | Not stated by Seagate | 3 years | Not stated by Seagate | DS1904.4-1608 |
IronWolf Pro ratings by model number
| Model number | Capacity | Recording | Workload rate | MTBF | AFR | Warranty | Bays supported | Seagate document |
|---|---|---|---|---|---|---|---|---|
| ST32000NT000 | 32TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.7-2510 |
| ST30000NT011 | 30TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.7-2510 |
| ST28000NT000 | 28TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.7-2510 |
| ST24000NT002 | 24TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST24000NT031 | 24TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.5-2404 |
| ST24000NTZ02 | 24TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS16.1-2501 |
| ST22000NT001 | 22TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST20000NE000 | 20TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST20000NT001 | 20TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST20000NTZ01 | 20TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS16.1-2501 |
| ST18000NE000 | 18TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST18000NT001 | 18TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST16000NE000 | 16TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST16000NT001 | 16TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST16000NTZ01 | 16TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS16.1-2501 |
| ST14000NE000 | 14TB | Not stated by Seagate | 300TB a year | 1.2 million hours | 0.73% | 5 years | Up to 16 Bays | DS1914.6-1708 |
| ST14000NE0008 | 14TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST14000NT001 | 14TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST12000NE0008 | 12TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST12000NT001 | 12TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST12000NTZ01 | 12TB | CMR | 550TB a year | 2.5 million hours | Not stated by Seagate | 5 years | Unlimited | DS16.1-2501 |
| ST10000NE000 | 10TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST10000NE0004 | 10TB | Not stated by Seagate | 300TB a year | 1.2 million hours | 0.73% | 5 years | Up to 16 Bays | DS1914.5-1703 |
| ST10000NE0008 | 10TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST10000NT001 | 10TB | CMR | 550TB a year | 2 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST8000NE0004 | 8TB | Not stated by Seagate | 300TB a year | 1.2 million hours | 0.73% | 5 years | Up to 16 Bays | DS1914.5-1703 |
| ST8000NE0008 | 8TB | Not stated by Seagate | 300TB a year | 1.2 million hours | 0.73% | 5 years | Up to 24-bay | DS1914.7-1807 |
| ST8000NE001 | 8TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST8000NE0021 | 8TB | Not stated by Seagate | 300TB a year | 1.2 million hours | 0.73% | 5 years | Up to 16 Bays | DS1914.5-1703 |
| ST8000NT001 | 8TB | CMR | 550TB a year | 2 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST8000NTZ01 | 8TB | CMR | 550TB a year | 2 million hours | Not stated by Seagate | 5 years | Unlimited | DS16.1-2501 |
| ST6000NE000 | 6TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST6000NE0021 | 6TB | Not stated by Seagate | 300TB a year | 1.2 million hours | 0.73% | 5 years | Up to 16 Bays | DS1914.5-1703 |
| ST6000NE0023 | 6TB | Not stated by Seagate | 300TB a year | 1.2 million hours | 0.73% | 5 years | Up to 24-bay | DS1914.7-1807 |
| ST6000NT001 | 6TB | CMR | 550TB a year | 2 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST4000NE001 | 4TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST4000NE0025 | 4TB | Not stated by Seagate | 300TB a year | 1.2 million hours | 0.73% | 5 years | Up to 24-bay | DS1914.7-1807 |
| ST4000NT001 | 4TB | CMR | 550TB a year | 2 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
| ST4000NTZ01 | 4TB | CMR | 550TB a year | 2 million hours | Not stated by Seagate | 5 years | Unlimited | DS16.1-2501 |
| ST2000NE001 | 2TB | CMR | 300TB a year | 1.2 million hours | Not stated by Seagate | 5 years | Up to 24-bay | DS1914.21-2206 |
| ST2000NE0025 | 2TB | Not stated by Seagate | 300TB a year | 1.2 million hours | 0.73% | 5 years | Up to 24-bay | DS1914.7-1807 |
| ST2000NT001 | 2TB | CMR | 550TB a year | 2 million hours | Not stated by Seagate | 5 years | Unlimited | DS2129.4-2311 |
Where the IronWolf ratings come from
Each row is read from the table in Seagate's own data sheet for that model number. "Not stated by Seagate" means the data sheet's table gives no figure for that model. No retailer or reviewer figure is substituted.
Checked on October 12, 2026. Sources: Seagate IronWolf data sheet DS1904.23-2509; Seagate IronWolf data sheet DS15.1-2501; Seagate IronWolf data sheet DS1904.4-1608.
Where the IronWolf Pro ratings come from
Each row is read from the table in Seagate's own data sheet for that model number. "Not stated by Seagate" means the data sheet's table gives no figure for that model. No retailer or reviewer figure is substituted.
Checked on October 12, 2026. Sources: Seagate IronWolf Pro data sheet DS2129.7-2510; Seagate IronWolf Pro data sheet DS2129.4-2311; Seagate IronWolf Pro data sheet DS2129.5-2404; Seagate IronWolf Pro data sheet DS16.1-2501; Seagate IronWolf Pro data sheet DS1914.21-2206; Seagate IronWolf Pro data sheet DS1914.6-1708; Seagate IronWolf Pro data sheet DS1914.5-1703; Seagate IronWolf Pro data sheet DS1914.7-1807.
Seagate IronWolf drives, by price per TB
Renewed, refurbished and used listings
Shown for reference. These are not counted in the best price per TB above, and warranty terms differ from new drives.
Frequently asked questions
What is the difference between IronWolf and IronWolf Pro?
IronWolf is rated for 180TB per year with a 3-year warranty and suits 1 to 8-bay home NAS. IronWolf Pro has a 5-year warranty and rotational vibration sensors, and its workload rating depends on the model number: 300TB a year on NE-series models, 550TB a year on NT-series models. Both ranges are CMR.
Is Seagate IronWolf CMR or SMR?
Every IronWolf and IronWolf Pro drive is CMR (Conventional Magnetic Recording), the safe choice for RAID. Seagate's SMR drives are in the Barracuda desktop range, not IronWolf.
What is IronWolf Health Management?
IronWolf Health Management (IHM) is firmware that reports drive health, temperature and usage to compatible Synology, QNAP and Asustor NAS systems, with prevention, intervention and recovery guidance. It is built into every IronWolf drive.
What capacity IronWolf should I buy?
For most homes a 4TB to 12TB standard IronWolf hits the best price per terabyte. For a large Plex library or a 4-bay-plus pool, an IronWolf Pro at 16TB to 24TB gives more density and a higher workload rating. The live table ranks current prices per terabyte.