HDDHunt

Best 16 TB Hard Drives

16 TB drives offer a strong balance of capacity and value for NAS builders, media hoarders, and small-business storage. They use helium-sealed designs for lower power draw and heat, and are available across NAS, enterprise, and general-purpose product lines. 16 TB is often the first capacity tier where helium models dominate, making these drives quieter and more power-efficient per TB than smaller air-filled alternatives.

Why 16 TB?

16 TB hits a practical middle ground between the budget-friendly 12 TB class and the premium 18-20 TB tier. Four 16 TB drives in RAID 5 give you ~48 TB usable. Helium-sealed 16 TB models typically draw 5-7 watts — comparable to smaller drives — while delivering 33% more capacity than 12 TB. Check per-TB pricing carefully: 16 TB often competes closely with 18 TB on value.

Prices updated hourly from Amazon US and UK. All links go directly to the retailer. Details.

Best Value 16 TB Drives

All new 16 TB hard drives ranked by price per terabyte across brands and product lines.

£12.19/TB New

Seagate IronWolf ST4000VN008 4TB Internal Hard Drive, NAS HDD, 3.5 Inch, 5900 rpm, CMR, 64 MB Cache, SATA 6 GB/s, Silver, 3 Years Data Rescue Service

16 TB Internal 3.5" SATA
£195.00 Amazon UK· 1h 14m
£13.74/TB New

ModusTech External (DESKTOP) Hard Drive USB 3.1 Type-C - High-Speed Data Storage for PC, Mac, Laptops, and Gaming Consoles - Durable Design, Compatible with Windows, MacOS, Linux (16.0, TB)

16 TB External 3.5" USB
£219.91 Amazon UK· 1h 3m
£16.19/TB New

ModusTech External (DESKTOP) Hard Drive 3TB USB 3.0 & Type-C 3.0 - High-Speed Data Storage for PC, Mac, Laptops, and Gaming Consoles - Durable Design, Compatible with Windows, MacOS, Linux (16.0, TB)

16 TB External 3.5" USB
£259.00 Amazon UK· 1h 31m
£18.75/TB New

Seagate Expansion Desktop External 16TB

16 TB External 3.5" USB
£299.99 Amazon UK· 3h 1m
£19.37/TB New

WD 16TB Elements External Hard Drive, Desktop HDD storage, USB 3.0 compatible, Fast Transfer rates, Easy add on storage for all your pictures, videos, music and documents, Black

16 TB External 3.5" USB
£309.99 Amazon UK· 1h 58m
$22.11/TB New

ST16000NM000J Enterprise Hard Disk 7.2K 16T SATA 3.5" Hard Drive

16 TB Internal 3.5" SATA
$353.75 Amazon US· 1d
$22.25/TB New

WD 16TB Elements Desktop External Hard Drive, USB 3.0 for plug-and-play storage - WDBWLG0160HBK-NESN

16 TB External 3.5" USB
$356.00 Amazon US· 2h 39m
£22.44/TB New

Seagate Expansion Desktop 16TB, External Hard Drive, USB 3.0, Data Rescue Services (STKP16000400)

16 TB External 3.5" USB
£358.99 Amazon UK· 1h 20m

NAS 16 TB Drives

IronWolf and WD Red 16 TB models for always-on NAS enclosures. Helium-sealed, NAS-firmware optimised, and designed for multi-bay vibration tolerance.

£12.19/TB New

Seagate IronWolf ST4000VN008 4TB Internal Hard Drive, NAS HDD, 3.5 Inch, 5900 rpm, CMR, 64 MB Cache, SATA 6 GB/s, Silver, 3 Years Data Rescue Service

16 TB Internal 3.5" SATA
£195.00 Amazon UK· 1h 14m
£28.12/TB New

Seagate IronWolf, 16 TB, NAS, Internal Hard Drive, CMR, 3.5 Inch, SATA, 6GB/s, 5,400 RPM, 256MB Cache, for RAID Network Attached Storage, 3 year Rescue Services (ST16000VN001)

16 TB Internal 3.5" SATA
£449.90 Amazon UK· 2m
$31.00/TB New

Seagate IronWolf 16TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for Raid Network Attached Storage, with Rescue Service (ST16000VN001)

16 TB Internal 3.5" SATA
$495.99 Amazon US· 3h 10m
$31.00/TB New

Seagate IronWolf ST16000VN001 16 TB Hard Drive - 3.5" Internal - SATA (SATA/600)

16 TB Internal 3.5" SATA
$495.99 Amazon US· 37m
£33.48/TB New

Seagate IronWolf Pro 16TB, Enterprise Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 7.200 RPM, 256MB Cache for RAID NAS, Data Rescue Services, Frustration Free Packaging (ST16000NTZ01)

16 TB Internal 3.5" SATA
£535.70 Amazon UK· 3h 58m
$37.44/TB New

Seagate IronWolf Pro 16TB 7200 RPM SATA 6Gb/s 3.5" NAS HDD (ST16000NE000)

16 TB Internal 3.5" SATA
$599.00 Amazon US· 36m
$41.23/TB New

Seagate IronWolf 16TB SATA 256Mb 7200Rpm

16 TB Internal 3.5" SATA
$659.76 Amazon US· 37m
£42.65/TB New

Seagate IronWolf"Internal Hard Drive 3.5 16TB HDD 3 Year Warranty 256MB 7200rpm 24 Hours Operation PC NAS For RV Sensor ST16000VN001

16 TB Internal 3.5" SATA
£682.46 Amazon UK· 29m

Enterprise 16 TB Drives

Seagate Exos and WD Ultrastar 16 TB models for datacenter and server workloads. 24/7 rated with 5-year warranties.

$29.94/TB New

Seagate Exos X16 ST16000NM003G 16 TB Hard Drive - Internal - SATA (SATA/600)

16 TB Internal 3.5" SATA
$479.00 Amazon US· 2h 52m
$30.33/TB New

Seagate Exos X18 ST16000NM001J 16 TB Hard Drive - Internal - SATA (SATA/600) - Video Surveillance System, Storage System Device Supported - 7200rpm - Hot Pluggable - 512e/4Kn Format

16 TB Internal 3.5" SATA
$485.23 Amazon US· 1h 57m
$33.31/TB New

Seagate Exos X18 ST16000NM005J 16 TB Hard Drive - Internal - SAS (12Gb/s SAS) - Video Surveillance System, Storage System Device Supported - 7200rpm

16 TB Internal 3.5" SAS
$533.00 Amazon US· 3h 20m
$33.75/TB New

Western Digital Ultrastar DC HC550 16 TB Hard Drive - 3.5 Internal - SAS [12Gb/s SAS]

16 TB Internal 3.5" SAS
$539.99 Amazon US· 2h
£34.31/TB New

Seagate 16TB ST16000NM001G Exos X16 SATA 6Gb/s 7.2K RPM 512e/4Kn 256Mb, OEM, Mechanical Hard Disk

16 TB Internal 3.5" SATA
£549.00 Amazon UK· 1h 59m
$36.12/TB New

Seagate Exos X24 3.5" Internal Hard Drive - 16TB, Single, SAS III 12 Gb/s

16 TB Internal 3.5" SAS
$577.91 Amazon US· 17h 59m
$37.15/TB New

Western Digital Ultrastar DC HC550 WUH721816ALE6L4 0F38462 16TB 7.2K RPM SATA 6Gb/s 512e 512MB 3.5" SE HDD

16 TB Internal 3.5" SATA
$594.45 Amazon US· 2h

Refurbished 16 TB Drives

Recertified 16 TB enterprise pulls at significant discounts. Helium-sealed datacenter drives with substantial remaining lifespan for homelabs and bulk storage.

£15.38/TB Used

ModusTech External (DESKTOP) Hard Drive 3TB USB 3.0 & Type-C 3.0 - High-Speed Data Storage for PC, Mac, Laptops, and Gaming Consoles - Durable Design, Compatible with Windows, MacOS, Linux (16.0, TB)

16 TB External 3.5" USB
£246.05 Amazon UK· 1h 31m
£17.53/TB Used

Seagate Expansion Desktop 16TB, External Hard Drive, USB 3.0, Data Rescue Services (STKP16000400)

16 TB External 3.5" USB
£280.53 Amazon UK· 1h 20m
£18.75/TB Used

Seagate Expansion Desktop External 16TB

16 TB External 3.5" USB
£299.99 Amazon UK· 3h 1m
$18.75/TB Used

Avolusion PRO-5Y Series 12TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White) (Renewed)

16 TB External 3.5" USB
$299.99 Amazon US· 22h 14m
$20.00/TB Used

WD 16TB Elements Desktop External Hard Drive, USB 3.0 for plug-and-play storage - WDBWLG0160HBK-NESN

16 TB External 3.5" USB
$319.99 Amazon US· 2h 39m
$20.00/TB Used

MDD 16TB 7200RPM 256MB Cache SAS 12.0Gb/s 3.5-inch Internal Enterprise Hard Drive (MDD16TSAS25672E) - [NOT a SATA HDD] (Renewed)

16 TB Internal 3.5" SAS
$319.99 Amazon US· 1h 13m
$21.81/TB Used

Water Panther WP Arsenal 16TB SATA 7200RPM 3.5-Inch DAS Hard Drive (Renewed)

16 TB Internal 3.5" SATA
$349.00 Amazon US· 2h 40m
$21.81/TB Used

Dell/Western Digital Ultrastar DC HC550 WUH721816AL5205 0F38376 16TB 7.2K RPM SAS 12Gb/s 512e 3.5in Enterprise Hard Drive (Renewed)

16 TB Internal 3.5" SAS
$349.00 Amazon US· 2d 16h