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
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
Toshiba MG Series 16TB internal server hard drive MG08ACA16TE 3.5" HDD SATA 6Gb/s 7200RPM 512MB Cache 24/7
Seagate Expansion Desktop 16TB, External Hard Drive, USB 3.0, Data Rescue Services (STKP16000400)
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
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, Pro 16TB, Enterprise Internal NAS HDD – CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID NAS - Frustration Free Packaging (ST16000NTZ01)
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)
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 16TB ST16000NM001G Exos X16 SATA 6Gb/s 7.2K RPM 512e/4Kn 256Mb, OEM, Mechanical Hard Disk
Seagate Exos X18 Enterprise Class, 16TB, Enterprise Internal Hard Drive, SATA, 3,5" 6Gbit/s, 128MB cache (ST16000NM000J)
Seagate Exos X16 ST16000NM003G 16 TB Hard Drive - Internal - SATA (SATA/600)
Seagate Exos X18 ST16000NM005J 16 TB Hard Drive - Internal - SAS (12Gb/s SAS) - Video Surveillance System, Storage System Device Supported - 7200rpm
Seagate Exos X18 Enterprise Class, 16TB, Enterprise Internal Hard Drive, SATA, 3,5" 6Gbit/s, 128MB Cache (ST16000NM000J)
Western Digital Ultrastar DC HC550 WUH721816ALE6L4 0F38462 16TB 7.2K RPM SATA 6Gb/s 512e 512MB 3.5" SE HDD
Seagate Exos X24 16TB Enterprise Internal Hard Drive HDD - 6GB/s SAS 7200RPM 2.5M MTBF (ST16000NM002H)
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 External 16TB
Avolusion PRO-5Y Series 12TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White) (Renewed)
Seagate Exos X24 16TB 3.5" 12Gb/s SAS III Internal Hard Drive
Toshiba MG08ACA16TE 16TB 7200RPM 512e 3.5" SATA Enterprise Desktop Hard Drive (Renewed)
Synology Enterprise 3.5" SAS HDD HAS5300 16TB (SAS)
MDD (MD16TSATA25672NAS) 16TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch NAS Hard Drive - 5 Years Warranty (Renewed)
Avolusion PRO-H1 16TB 7200RPM USB 3.2 Gen2 (10Gbps) External Hard Drive (for Windows or MacOS Desktop PC/Laptop) (Renewed)
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