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Get Enterprise Capacity for the Least

Seagate Exos drives ranked by price per terabyte

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Quick answer

Seagate Exos is an enterprise datacentre drive that has become hugely popular for value-focused NAS builds. It offers the lowest price per terabyte at high capacity of any common NAS-suitable drive, in exchange for more noise and heat than a purpose-built NAS drive. The live table below ranks current Seagate Exos prices by price per terabyte.

As of September 12, 2026
Best price per TB
$21.67
Products tracked
63
Prices updated
2 hours ago

Where Seagate Exos fits

Seagate Exos is an enterprise datacentre drive that has become hugely popular for value-focused NAS builds. It offers the lowest price per terabyte at high capacity of any common NAS-suitable drive, in exchange for more noise and heat than a purpose-built NAS drive. It is CMR, helium-filled at the top sizes, and built for 24/7 duty.

Workload rating and warranty

Exos carries an enterprise workload rating of 550TB of writes per year, far above the 180 to 300TB of consumer NAS drives, with a 5-year warranty and a high 2.5-million-hour MTBF. That endurance is overkill for most homes but means the drive is unbothered by heavy use.

Capacities and which NAS it suits

Exos spans mid-range sizes up to roughly 24 to 30TB, and is most compelling from 16TB upwards where its price-per-terabyte advantage is largest. At smaller sizes a quieter Red Plus or IronWolf is usually the better home choice.

Exos suits NAS in a cupboard, rack or garage where noise is not an issue, and value-focused high-capacity builds.

Best Seagate Exos by need

Use caseBest choiceWhy
Lowest price per TBSeagate ExosEnterprise CMR, cheapest per terabyte at 16TB and up.
Heavy 24/7 dutySeagate Exos550TB/yr workload, 2.5M-hour MTBF, 5-year warranty.
Rack or cupboard NASSeagate ExosNoise and heat are a non-issue away from living spaces.

Seagate Exos drives, by price per TB

Price per
63 products
ProductCapacityPrice$ / TBTypePrimeBuy
Seagate (Recertified) Exos X18 18TB Enterprise HDD - CMR 3.5 Inch Hyperscale SATA 6Gb/s, 7200 RPM, 512e and 4Kn FastFormat, Low Latency with Enhanced Caching (ST18000NM000J)Renewed18 TB$389.99$21.67Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 26TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF (ST26000NM000C) (Renewed)Renewed26 TB$619.99$23.85Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos ST28000NM001C 28TB 7200 RPM SATA 6Gb/s 512e 3.5in Enterprise Hard Drive (Renewed)Renewed28 TB$689.99$24.64Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate 16TB Exos X16 7200 RPM 512e/4Kn SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive ST16000NM001G (Renewed)Renewed16 TB$399.99$25.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos ST26000NM001C 26TB 7200 RPM SATA 6Gb/s 512e 3.5in Enterprise Hard Drive (Renewed)Renewed26 TB$649.99$25.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 28TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF - ST28000NM000C (Renewed)Renewed28 TB$699.99$25.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate 14TB HDD Exos X14 7200 RPM 512e/4Kn SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive (ST14000NM0018)Used14 TB$369.99$26.43Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600)Used12 TB$319.99$26.67Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate/IBM Exos X16 16TB Enterprise Hard Drive HDD SAS 12Gb/s 256MB Cache 7200 RPM 4Kn CMR Helium Sealed 3.5in Hard Drive ST16000NM002G (Renewed)Renewed16 TB$439.00$27.44Enterprise HDD · SASCMREnterprise-Buy on Amazon
Seagate Exos 7E8 6TB 512e SATA 256MB Cache 3.5-Inch Enterprise Hard Drive (ST6000NM0115) (Renewed)Renewed6 TB$165.00$27.50Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 12TB Internal Hard Drive Enterprise HDD – 3.5 Inch 6Gb/s 128MB Cache for Enterprise, Data Center – Frustration Free Packaging (ST12000NM0007)Used12 TB$329.99$27.50Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X16 ST12000NM001G 12 TB Hard Drive - Internal - SATA (SATA/600) (Renewed)Renewed12 TB$329.99$27.50Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos ST24000NM000C 24TB 7.2K RPM SATA 6Gb/s 512e 3.5in Enterprise Hard Drive (Renewed)Renewed24 TB$659.99$27.50Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate (Renewed) Exos X16 14TB 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Internal Data Center HDD Enterprise Hard Drive (ST14000NM001G)Renewed14 TB$389.99$27.86Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X24 24TB Enterprise Hard Drive HDD SATA 6Gb/s 512MB Cache 7200 RPM 512e CMR Helium Sealed 3.5in Hard Drive ST24000NM000H (Renewed)Renewed24 TB$689.99$28.75Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X20 18TB SATA 6Gb/s 7200RPM 3.5" 5-Pack Enterprise HDD - ST18000NM003D (Renewed)Renewed90 TB$2,599.99$28.89Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate 14TB HDD Exos X14 SATA 6Gb/s 7200RPM 3.5-Inch Enterprise Hard Drive (ST14000NM0018) (Renewed)Renewed14 TB$409.99$29.29Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X16 ST16000NM003G 16TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5 inches Hard Drives, 512E/4KN (Renewed)Renewed16 TB$469.99$29.37Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 22TB SATA HDD 6Gb/s 7200RPM 3.5-inch Enterprise Hard Drive (ST22000NM000C) (Renewed)Renewed22 TB$649.00$29.50Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 6TB 512e SATA 256MB Cache 3.5-Inch Enterprise Hard Drive - Frustration Free Packaging (ST6000NM0115) (Renewed)Renewed6 TB$179.99$30.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos x12 12TB SATA 6Gb/s 256MB Cache Enterprise Hard Drive 3.5in (ST12000NM0007) (Renewed)Renewed12 TB$359.99$30.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate 16TB HDD Exos X16 7200 RPM 512e/4Kn SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive (ST16000NM001G) (Renewed)Renewed16 TB$479.99$30.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X18 ST18000NM000J 18 TB Hard Drive - Internal - SATA (SATA/600) (Renewed)Renewed18 TB$539.99$30.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate 12TB HDD Exos X14 SATA 6Gb/s 512e 7200RPM 3.5" Enterprise Hard Drive (Renewed)Renewed12 TB$369.99$30.83Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate (Recertified) Exos X18 16TB Enterprise HDD - CMR 3.5 Inch Hyperscale SATA 6Gb/s, 7200 RPM, 512e and 4Kn FastFormat, Low Latency with Enhanced Caching (ST16000NM000J)Renewed16 TB$499.50$31.22Enterprise HDD · SATACMREnterprise-Buy on Amazon
ST16000NM001G 16TB HDD Exos X16 7200 RPM 512e/4Kn SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive (Renewed)Renewed16 TB$499.99$31.25Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X20 18TB 7200 RPM 512e SATA 6Gb/s 3.5" Enterprise Hard Drive - ST18000NM003D (Renewed)Renewed18 TB$569.99$31.67Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate ST18000NM003D 18TB Exos X20 SATA Hard Drive, 3.5" HDD, SATA 6Gb/s, 7200rpm, 256MB Cache, 512E, 4.16ms, NCQUsed18 TB$579.99$32.22Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X18 ST16000NM005J 16 TB Hard Drive - Internal - SAS (12Gb/s SAS) - Video Surveillance System, Storage System Device Supported - 7200rpmUsed16 TB$529.99$33.12Enterprise HDD · SASCMREnterprise-Buy on Amazon
Dell/Seagate Exos X16 12TB ST12000NM005G 7.2K RPM SATA 6Gb/s 512e 3.5" Enterprise Hard Drive (Renewed)Renewed12 TB$398.00$33.17Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X24 16TB Enterprise Internal Hard Drive HDD - 6GB/s SAS 7200RPM 2.5M MTBF (ST16000NM002H)Used16 TB$540.66$33.79Enterprise HDD · SASCMREnterprisePrimeBuy on Amazon
Seagate Exos X20 ST20000NM007D 20TB 7.2K RPM SATA 6Gb/s 3.5in Hard Drive (Renewed)Renewed20 TB$679.99$34.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X24 24TB Enterprise Hard Drive HDD SATA 6Gb/s 512MB Cache 7200 RPM 512e CMR Helium Sealed 3.5in Hard Drive ST24000NM000HUsed24 TB$819.00$34.13Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X18 ST18000NM005J 18 TB Hard Drive - Internal - SAS (12Gb/s SAS) - 7200rpm - 5 Year Warranty18 TB$660.00$36.67Enterprise HDD · SASCMREnterprise-Buy on Amazon
Seagate EXOS X20 18TB SAS 3.5IN 7200RPM 6GB/S 512E/4K18 TB$689.00$38.28Enterprise HDD · SASCMREnterprise-Buy on Amazon
Seagate ST18000NM003D 18TB Exos X20 SATA Hard Drive, 3.5" HDD, SATA 6Gb/s, 7200rpm, 256MB Cache, 512E, 4.16ms, NCQ18 TB$715.00$39.72Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 4TB 512n SATA 128MB Cache 3.5-Inch Enterprise Hard Drive (ST4000NM0035) (Renewed)Renewed4 TB$159.99$40.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 4TB Enterprise HDD – ST4000NM002A 7200 RPM SATA 6Gb/s 128MB Cache 3.5-Inch Hard Drive (Renewed)Renewed4 TB$159.99$40.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 ST4000NM0115 4TB 7.2K RPM SATA 6Gb/s 512e 128MB 3.5inch Hard Drive (Renewed)Renewed4 TB$159.99$40.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X24 16TB Enterprise Internal Hard Drive HDD - 6GB/s SAS 7200RPM 2.5M MTBF (ST16000NM002H)16 TB$639.99$40.00Enterprise HDD · SASCMREnterprise-Buy on Amazon
Seagate Technology ST20000NM002H 20TB Exos X24 HDD 3.5 SATA 7200 ISE Bare Hard Drive20 TB$799.99$40.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X24 24TB Enterprise Internal Hard Drive HDD - 6GB/s SATA 7200RPM 2.5M MTBF (ST24000NM002H)24 TB$959.99$40.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos M 30TB Enterprise Internal Hard Drive HDD - 3.5in 6GB/s SATA 7200RPM 2.5M MTBF (ST30000NM004K)30 TB$1,199.99$40.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 32TB Enterprise Internal Hard Drive HDD - 3.5in 6GB/s SATA 7200RPM 2.5M MTBF (ST32000NM004K)32 TB$1,279.99$40.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 8TB Internal Hard Drive HDD – CMR 3.5 Inch 6Gb/s 7200 RPM 128MB Cache for Enterprise, Data Center – Frustration Free Packaging (ST8000NM000A)Used8 TB$324.99$40.62Enterprise HDD · SATACMREnterprise-Buy on Amazon
for Enterprise Hard Disk ST18000NM000J 18TB Exos X18 7200 RPM18 TB$739.68$41.09Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 4TB Internal Hard Drive Enterprise HDD – 3.5 Inch 512n SATA 6Gb/s, 7200RPM, 256MB Cache – Frustration Free Packaging (ST4000NM000A)Used4 TB$165.00$41.25Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600)12 TB$499.97$41.66Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X20 ST20000NM007D 20TB 7.2K RPM SATA 6Gb/s 3.5in Hard Drive20 TB$839.99$42.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate 14TB HDD Exos X14 7200 RPM 512e/4Kn SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive (ST14000NM0018)14 TB$592.41$42.32Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 12TB Internal Hard Drive Enterprise HDD – 3.5 Inch 6Gb/s 128MB Cache for Enterprise, Data Center – Frustration Free Packaging (ST12000NM0007)12 TB$525.00$43.75Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E2 2TB SATA 6Gb/s 128MB Cache 3.5-Inch Enterprise Hard Drive (ST2000NM0008)Used2 TB$89.00$44.50Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 4TB 512n SATA 128MB Cache 3.5-Inch Enterprise Hard Drive (ST4000NM0035), Mechanical Hard Disk4 TB$180.00$45.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 12TB 3.5 7200RPM 256MB SAS 12GB s Enterprise Bare HDD ST12000NM002712 TB$544.39$45.37Enterprise HDD · SASCMREnterprise-Buy on Amazon
Seagate Exos X24 3.5" Internal Hard Drive - 12TB, Single, SATA III 6 Gb/s12 TB$579.99$48.33Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 6TB Internal Hard Drive Enterprise HDD – CMR 3.5 Inch 512E SATA 6Gb/s 7200 RPM 128MB Cache for Enterprise, Data Center – Frustration Free Packaging (ST6000NM021A)6 TB$297.00$49.50Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X24 ST12000NM007H - 12 TB12 TB$611.32$50.94Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 8TB Internal Hard Drive HDD – CMR 3.5 Inch 6Gb/s 7200 RPM 128MB Cache for Enterprise, Data Center – Frustration Free Packaging (ST8000NM000A)8 TB$447.97$56.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos X24 24TB Enterprise Hard Drive HDD SATA 6Gb/s 512MB Cache 7200 RPM 512e CMR Helium Sealed 3.5in Hard Drive ST24000NM000H24 TB$1,400.90$58.37Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E2 2TB SATA 6Gb/s 128MB Cache 3.5-Inch Enterprise Hard Drive (ST2000NM0008)2 TB$119.00$59.50Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 4TB Internal Hard Drive Enterprise HDD – 3.5 Inch 512n SATA 6Gb/s, 7200RPM, 256MB Cache – Frustration Free Packaging (ST4000NM000A)4 TB$255.00$63.75Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E2000 ST1000NX0423 1TB Internal Hard Drive 2.5" SFF SATA 6Gbps NL 7200RPM Buffer 128MB1 TB$125.00$125.00Enterprise HDD · SATACMREnterprise-Buy on Amazon
Seagate Exos 7E8 2TB Internal Hard Drive Enterprise HDD – CMR 3.5 Inch 512E SATA 6Gb/s 7200 RPM 256MB Cache for Enterprise, Data Center – Frustration Free Packaging (ST2000NM000A)2 TB$303.13$151.57Enterprise HDD · SATACMREnterprise-Buy on Amazon

Frequently asked questions

Can I use Seagate Exos in a home NAS?

Yes. Exos is CMR and works in Synology, QNAP, UGREEN and other NAS units. The trade-off versus a NAS-branded drive is more noise and heat, so it suits a NAS in a cupboard, rack or garage rather than on a quiet desk. In return you get the lowest price per terabyte at high capacity.

Is Seagate Exos louder than IronWolf?

Yes, a little. Exos is a 7200rpm enterprise drive optimised for performance and density rather than acoustics, so it runs louder and warmer than a 5400rpm-class WD Red Plus or IronWolf. Away from living spaces the difference rarely matters.

Why is Exos cheaper per terabyte than NAS drives?

Exos is sold in huge datacentre volumes and competes on raw capacity, so its price per terabyte is often lower than purpose-built NAS drives, especially at 16TB and above. You are paying enterprise endurance for less, with noise as the trade-off.

Is Exos good for RAID?

Very. Exos is CMR with rotational vibration tolerance and a 550TB per year workload rating, so RAID rebuilds and heavy multi-drive use are well within its design. It is a common choice for value-focused RAID 6 and SHR-2 pools at high capacity.

Independent US storage-value site: NAS drives, DIY/TrueNAS build parts, and hard-drive shucking, ranked by live $/TB. Not affiliated with or endorsed by Synology, UGREEN, QNAP, TerraMaster, Seagate, Western Digital or Toshiba. All trademarks belong to their owners.

Last updated: 2026-09-12 06:02:12 UTC. As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date indicated on Amazon.com and are subject to change. Any price displayed at the time of purchase will apply. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED AS IS AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.