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.
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
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)
Seagate Expansion Desktop External 16TB
Seagate Expansion Desktop 16TB, External Hard Drive, USB 3.0, Data Rescue Services (STKP16000400)
ST16000NM000J Enterprise Hard Disk 7.2K 16T SATA 3.5" Hard Drive
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
HP P23608-B21 16TB SAS 7.2K LFF LP 512e ISE HDD
Genuine ST16000NM004G X16 16TB 7.2K SAS 12Gb/s 256MB 3.5" SED HDD Original
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.
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
Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX
Seagate IronWolf Pro, 16 TB, NAS Internal Hard Drive, CMR 3.5 Inch, SATA 6 Gb/s 7,200 RPM, 256 MB Cache, for RAID Network Attached Storage, 3 years Rescue Services, FFP (ST16000NE000)
Seagate IronWolf Pro ST16000NE000 16 TB Hard Drive - 3.5" Internal - SATA (SATA/600), Mechanical Hard Disk
Seagate IronWolf Pro 16TB 7200 RPM SATA 6Gb/s 3.5" NAS HDD (ST16000NE000)
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)
Seagate IronWolf 16TB SATA 256Mb 7200Rpm
Seagate IronWolf ST16000VN001 16 TB Hard Drive - 3.5" Internal - SATA (SATA/600)
Enterprise 16 TB Drives
Seagate Exos and WD Ultrastar 16 TB models for datacenter and server workloads. 24/7 rated with 5-year warranties.
Western Digital Ultrastar DC HC550 3.5" 16000 GB Serial ATA III
Seagate Exos X16 ST16000NM003G 16 TB Hard Drive - Internal - SATA (SATA/600)
Seagate 16TB ST16000NM001G Exos X16 SATA 6Gb/s 7.2K RPM 512e/4Kn 256Mb, OEM, Mechanical Hard Disk
Seagate Exos X18 ST16000NM005J 16 TB Hard Drive - Internal - SAS (12Gb/s SAS) - Video Surveillance System, Storage System Device Supported - 7200rpm
Seagate Exos X24 16TB Enterprise Internal Hard Drive HDD - 6GB/s SAS 7200RPM 2.5M MTBF (ST16000NM002H)
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
Western Digital Ultrastar DC HC550 WUH721816ALE6L4 0F38462 16TB 7.2K RPM SATA 6Gb/s 512e 512MB 3.5" SE HDD
Seagate Exos X24 3.5" Internal Hard Drive - 16TB, Single, SAS III 12 Gb/s
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.
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)
Seagate Expansion Desktop 16TB, External Hard Drive, USB 3.0, Data Rescue Services (STKP16000400)
Avolusion PRO-5Y Series 12TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White) (Renewed)
Seagate Expansion Desktop External 16TB
WP 16TB 7200 RPM SAS 12Gb/s 3.5-Inch Enterprise Hard Disk Drive in 12G 13G Tray Compatible with Dell PowerEdge Servers R730XD R730 T340 T330 T640 T630 T440 (Renewed)
Dell/Western Digital Ultrastar DC HC550 WUH721816AL5205 0F38376 16TB 7.2K RPM SAS 12Gb/s 512e 3.5in Enterprise Hard Drive (Renewed)
WP 16TB SAS 12Gb/s 7.2K RPM 3.5" HDD for Dell PowerEdge Servers | Enterprise Hard Drive in 14G 15G Tray | Compatible with Poweredge (Renewed)
Dell 16TB 7.2K RPM SAS 12Gb/s 512e 3.5in Enterprise PowerEdge Hard Drive for R730 R720 R710 R520 R530 R630 R430 T630 T710 R220 R720XD R510 R530XD R730XD 0HNHWC G13 (Renewed)
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