NAS DrivesUpdated
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Seagate Exos NAS Drives UK: 2026 Price per TB Guide

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 table below ranks UK Seagate Exos prices by price per terabyte.

As of 7 September 2026
Best £/TB at last check
£13.86
Products tracked
41
Prices last checked
7 September 2026

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
Prices last checked 7 September 202641 products
ProductCapacityPrice£ / TBTypePrime
Seagate Exos X16, 6TB, Enterprise Internal Hard Drive, SAS, 3.5", for Business and Data Centre (ST6000NM0095)Used16.6 TB£230.00£13.86Enterprise HDD · SASCMREnterprise-
Seagate Exos X16, 6TB, Enterprise Internal Hard Drive, SAS, 3.5", for Business and Data Centre (ST6000NM0095)16.6 TB£252.00£15.18Enterprise HDD · SASCMREnterprise-
Seagate Exos 26TB Internal Hard Drive, 3.5 Inch HDD, SATA3, 256MB Cache26 TB£537.12£20.66Enterprise HDD · SATACMREnterprisePrime
Seagate Exos 26TB Internal Hard Drive, 3.5 Inch HDD, SATA3, 256MB Cache (Renewed)Renewed26 TB£599.00£23.04Enterprise HDD · SATACMREnterprise-
Hard Drives Brand Seagate Model Seagate Exos X18 ST14000NM000J - Hard Drive - 14TB - Internal - SATA 6Gb/s - 7200rpm - buffer: 256 MB (Renewed)Renewed14 TB£327.99£23.43Enterprise HDD · SATACMREnterprise-
Seagate Exos 28TB internal server hard drive ST28000NM000C 3.5" HDD SATA 6Gb/s 7200RPM 512MB Cache (Renewed)Renewed28 TB£659.00£23.54Enterprise HDD · SATACMREnterprise-
Seagate Exos 26TB Internal Hard Drive, 3.5 Inch HDD, SATA3, 256MB CacheUsed26 TB£639.88£24.61Enterprise HDD · SATACMREnterprise-
Seagate Exos X20 20TB Internal Hard Drive - 3.5 Inch Hyperscale SATA 6GB/s HDD, 7,200 RPM, 2.5M MTBF, 512e and 4Kn FastFormat, Low Latency with Enhanced Caching (ST20000NM007D)Used20 TB£511.19£25.56Enterprise HDD · SATACMREnterprisePrime
Seagate EXOS X24 24TB Interne Festplatte 3.5 Zoll SATA 3 Gbit/s 512 MB, ST24000NM000C (Renewed)Renewed24 TB£623.89£26.00Enterprise HDD · SATACMREnterprisePrime
Seagate Exos X14 10TB Internal Server Hard Drive ST10000NM0568 3.5 Inch HDD, 512e/4Kn, SATA 6Gb/s 7200RPM 256MB Cache (Refurbished)Refurbished10 TB£266.22£26.62Enterprise HDD · SATACMREnterprisePrime
Seagate Exos X18 12To SATA 512e/4KnUsed12 TB£319.98£26.67Enterprise HDD · SATACMREnterprise-
Seagate Exos X16 14TB server internal hard drive ST14000NM001G 3.5" HDD SATA 6Gb/s 7200RPM 256MB Cache14 TB£380.79£27.20Enterprise HDD · SATACMREnterprisePrime
Seagate Exos X18 Enterprise Class, 18TB, Enterprise Internal Hard Drive, SATA, 3,5" 6Gbit/s, 128MB cache ((ST18000NM000J)Used18 TB£510.99£28.39Enterprise HDD · SATACMREnterprise-
Seagate Exos 7E8, 6TB, Enterprise Internal Hard Drive, SATA, 3.5", for Business and Data Centre (ST6000NM0115)8.6 TB£256.00£29.77Enterprise HDD · SATACMREnterprise-
Seagate Technology Exos X20, 20TB, 3.5-Inch SATA Hard Drive at 6GB/s, 7,200 RPM, 512e and 4Kn FastFormat, Low Latency with Enhanced Cache (ST20000NM007D), Green (Renewed)Renewed20.2 TB£604.11£29.91Enterprise HDD · SATACMREnterprisePrime
Seagate Exos X18 Enterprise Class, 18TB, Enterprise Internal Hard Drive, SATA, 3,5" 6Gbit/s, 128MB cache ((ST18000NM000J)18 TB£540.00£30.00Enterprise HDD · SATACMREnterprise-
Seagate EXOS X18 18TB ST18000NM000J Interne Server Festplatte, 3,5 Zoll HDD SATA 6GB/S 7200RPM 256MB 24X7 Verfügbarkeit (Renewed)Renewed18 TB£543.81£30.21Enterprise HDD · SATACMREnterprisePrime
Seagate 16TB ST16000NM001G Exos X16 SATA 6Gb/s 7.2K RPM 512e/4Kn 256Mb, OEM, Mechanical Hard Disk16 TB£490.99£30.69Enterprise HDD · SATACMREnterprise-
Seagate Exos X18 Enterprise Class, 16TB, Enterprise Internal Hard Drive, SATA, 3,5" 6Gbit/s, 128MB cache (ST16000NM000J)16 TB£492.00£30.75Enterprise HDD · SATACMREnterprise-
Seagate Exos X18 Enterprise 16TB CMR 3.5" Hyperscale SATA Hard Drive Model Number: ST16000NM000J (Refurbished)Refurbished16 TB£515.00£32.19Enterprise HDD · SATACMREnterprise-
Seagate EXOS X16 16TB Interne Festplatte 3.5 Zoll SATA 6 Gbit/s 256 MB, ST16000NM001G (Renewed)Renewed16 TB£515.00£32.19Enterprise HDD · SATACMREnterprise-
Seagate Exos 7E8 6TB 512e SATA 256MB Cache 3.5-Inch Enterprise Hard Drive (ST6000NM0115) (Renewed)Renewed6 TB£195.99£32.67Enterprise HDD · SATACMREnterprise-
Seagate Exos X20 20TB Internal Hard Drive - 3.5 Inch Hyperscale 12GB/s SAS HDD, 7,200 RPM, 2.5M MTBF, 512e and 4Kn FastFormat, Low Latency with Enhanced Caching (ST20000NM002D)20 TB£767.11£38.36Enterprise HDD · SASCMREnterprisePrime
Seagate Exos 7E8, 8TB, Enterprise Internal Hard Drive, SATA, 3.5", for Business and Data Centre (ST8000NM0055)8.8 TB£346.50£39.38Enterprise HDD · SATACMREnterprise-
Seagate Exos 7E10 8TB Internal Hard Drive HDD - 3.5 Inch 512e/4Kn SAS 6GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST8000NM017B)8 TB£339.99£42.50Enterprise HDD · SASCMREnterprise-
Seagate Exos 7E10 10TB Internal Hard Drive HDD - 3.5 Inch 4Kn SAS 6GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST10000NM002B)10 TB£447.99£44.80Enterprise HDD · SASCMREnterprise-
Seagate Exos 7E10 10TB Internal Hard Drive HDD - 3.5 Inch 512e/4Kn SAS 6GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST10000NM017B)10 TB£449.95£45.00Enterprise HDD · SASCMREnterprise-
Seagate Exos 7E10 4TB Internal Hard Drive HDD - 3.5 Inch 512e/4Kn SAS 6GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST4000NM000B)Used4 TB£198.59£49.65Enterprise HDD · SASCMREnterprise-
Seagate Exos X14 12TB 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive (ST12000NM0008)12 TB£648.00£54.00Enterprise HDD · SATACMREnterprise-
Seagate Exos 7E10 4TB Internal Hard Drive HDD - 3.5 Inch 4Kn SAS 12GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST4000NM005B)Used4 TB£222.00£55.50Enterprise HDD · SASCMREnterprise-
Seagate Exos 7E10 6TB Internal Hard Drive HDD - 3.5 Inch 4Kn SAS 12GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST6000NM005B)6 TB£334.01£55.67Enterprise HDD · SASCMREnterprise-
Seagate Exos 7E10 4TB Internal Hard Drive HDD - 3.5 Inch 512e/4Kn SAS 6GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST4000NM000B)4 TB£235.47£58.87Enterprise HDD · SASCMREnterprise-
Seagate Exos 7E10 4TB Internal Hard Drive HDD - 3.5 Inch 4Kn SAS 12GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST4000NM005B)4 TB£246.29£61.57Enterprise HDD · SASCMREnterprise-
Seagate EXOS 2TB Enterprise 2.5" SATA HDD/Hard Drive2 TB£145.00£72.50Enterprise HDD · SATACMREnterprise-
Seagate Technology Exos X20, 20TB, 3.5-Inch SATA Hard Drive at 6GB/s, 7,200 RPM, 2.5M MTBF, 512e and 4Kn FastFormat, Low Latency with Enhanced Cache (ST20000NM007D), Green20.2 TB£1,484.98£73.51Enterprise HDD · SATACMREnterprise-
Seagate Exos 7E10 2TB Internal Hard Drive HDD - 3.5 Inch 512n SAS 12GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST2000NM001B)Used2 TB£149.99£75.00Enterprise HDD · SASCMREnterprise-
Seagate Exos 7E2000 ST1000NX0423 1TB Internal Hard Drive 2.5" SFF SATA 6Gbps NL 7200RPM Buffer 128MB1 TB£100.00£100.00Enterprise HDD · SATACMREnterprise-
Seagate Exos 7E2000 ST1000NX0423 - HDD - 1TB - Internal - 2.5" SFF - SATA 6Gb/s - NL - 7200 RPM - Buffer: 128MB1 TB£100.00£100.00Enterprise HDD · SATACMREnterprise-
Seagate Exos 10E2400 ST1800MM0129 - Hybrid hard drive - 1.8 TB (16 GB Flash) - internal - 2.5" SFF - SAS 12Gb/s - 10000 rpm - buffer: 256 MB1.8 TB£180.00£100.00Enterprise HDD · SASCMREnterprise-
Seagate Exos 7E10 2TB Internal Hard Drive HDD - 3.5 Inch 4Kn SAS 12GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST2000NM005B)2 TB£250.42£125.21Enterprise HDD · SASCMREnterprise-
Seagate Exos 600GB 12Gb/s SAS15K 512n 256Mb 2.5"600 GB£159.20£265.33Enterprise HDD · SATACMREnterprise-

Prices are indicative — last checked 7 September 2026, from Amazon.co.uk. They are not live; check the current price on Amazon before buying. Best £/TB is the lowest at last check.

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.

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Last updated: 2026-09-07 18:02:40 UTC. As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date indicated on Amazon.co.uk 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.