NAS DrivesUpdated
Updated

Seagate Exos NAS drives, live UK prices

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 UK Seagate Exos prices by price per terabyte.

As of 8 July 2026
Best price per TB
£9.04
Products tracked
20
Prices updated
5 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
20 products
ProductCapacityPrice£ / TBTypePrime
Seagate Exos X16, 6TB, Enterprise Internal Hard Drive, SAS, 3.5", for Business and Data Centre (ST6000NM0095)Used16.6 TB£150.00£9.04Enterprise HDD · SASCMREnterprise-
Seagate Exos 28TB internal server hard drive ST28000NM000C 3.5" HDD SATA 6Gb/s 7200RPM 512MB Cache (Renewed)Renewed28 TB£591.14£21.11Enterprise HDD · SATACMREnterprisePrime
Seagate Exos 26TB Internal Hard Drive, 3.5 Inch HDD, SATA3, 256MB Cache (Renewed)Renewed26 TB£594.99£22.88Enterprise HDD · SATACMREnterprise-
Seagate EXOS X24 24TB Interne Festplatte 3.5 Zoll SATA 3 Gbit/s 512 MB, ST24000NM000C (Renewed)Renewed24 TB£551.57£22.98Enterprise HDD · SATACMREnterprisePrime
Seagate EXOS X16 16TB Interne Festplatte 3.5 Zoll SATA 6 Gbit/s 256 MB, ST16000NM001G (Renewed)Renewed16 TB£383.18£23.95Enterprise HDD · SATACMREnterprisePrime
Seagate Exos X16 14TB server internal hard drive ST14000NM001G 3.5" HDD SATA 6Gb/s 7200RPM 256MB Cache14 TB£384.96£27.50Enterprise 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 X18 18TB ST18000NM000J Interne Server Festplatte, 3,5 Zoll HDD SATA 6GB/S 7200RPM 256MB 24X7 Verfügbarkeit (Renewed)Renewed18 TB£511.77£28.43Enterprise HDD · SATACMREnterprisePrime
Seagate Exos X18 Enterprise Class, 18TB, Enterprise Internal Hard Drive, SATA, 3,5" 6Gbit/s, 128MB cache ((ST18000NM000J)18 TB£550.00£30.56Enterprise HDD · SATACMREnterprise-
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£155.22£38.81Enterprise HDD · SASCMREnterprise-
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 7E8, 6TB, Enterprise Internal Hard Drive, SATA, 3.5", for Business and Data Centre (ST6000NM0115)8.6 TB£406.00£47.21Enterprise 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£219.54£54.89Enterprise 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£245.46£61.37Enterprise HDD · SASCMREnterprise-
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 2TB Enterprise 2.5" SATA HDD/Hard Drive2 TB£149.00£74.50Enterprise HDD · SATACMREnterprise-
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 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-

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.