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 daily from Amazon.com. 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.
Water Panther 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
Water Panther 16TB 7.2K RPM SAS 12Gb/s 3.5" HDD for Dell PowerEdge Servers | Enterprise Hard Drive in 14G Tray
Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400
Avolusion M5 Series 16TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop
Seagate Barracuda 16TB Internal Hard Drive, 7200 U/Min, 512MB Cache, SATA 6Gb/s, 3.5" (ST16000DM001)
BUFFALO Replacement Spare Hard Drive 16TB NAS-Grade for TeraStation 2/4/8 Bay (OP-HD16.0N)
HP P23608-B21 16TB SAS 7.2K LFF LP 512e ISE HDD
HP P23857-B21 16TB SATA 7.2K LFF SC 512e ISE HDD
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 Pro ST16000NE000 16 TB Hard Drive - 3.5" Internal - SATA (SATA/600), Mechanical Hard Disk
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)
WD Red Pro 16TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 512MB Cache
Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 7200 RPM -
Enterprise 16 TB Drives
Seagate Exos and WD Ultrastar 16 TB models for datacenter and server workloads. 24/7 rated with 5-year warranties.
Seagate Exos X24 16TB Enterprise Internal Hard Drive HDD - 6GB/s SAS 7200RPM 2.5M MTBF (ST16000NM002H)
SEAGATE Exos X18 16To 3.5p 512e/4KN
Seagate Exos X16 ST16000NM003G 16 TB Hard Drive - Internal - SATA (SATA/600)
Western Digital Ultrastar DC HC550 WUH721816ALE6L4 0F38462 16TB 7.2K RPM SATA 6Gb/s 512e 512MB 3.5" SE HDD
Seagate Exos X18 Enterprise Class, 16TB, Enterprise Internal Hard Drive, SATA, 3,5" 6Gbit/s, 128MB Cache (ST16000NM000J)
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.
HP 16TB 7200 RPM SAS 12Gb/s 512e 3.5in Enterprise HDD BL420c BL460c DL120 DL160 DL180 DL320e DL360 DL380 ML110 ML150 ML310e ML350 SL200t SL250 SL450 MB016000JWZHE P15760-004 G8 (Renewed)
HP 16TB 7200 RPM SAS 12Gb/s 512e 3.5in Enterprise Hard Drive DL20 DL110 DL320 DL325 DL340 DL345 DL360 DL365 DL380 DL385 DL560 ML110 ML350 MB016000JWZHE P15760-004 G11 (Renewed)
HP/Seagate Exos X16 ST16000NM010G 16TB 7200 RPM SAS 12Gb/s 512e 256MB 3.5in Enterprise Hard Drive MB016000JWZHE P15760-004 (Renewed)
Genuine ST16000NM002G X16 16TB 7.2K RPM SAS 12Gb/s 512e/4Kn 256MB 3.5
Seagate/IBM Exos X16 16TB Enterprise Hard Drive HDD SAS 12Gb/s 256MB Cache 7200 RPM 4Kn CMR Helium Sealed 3.5in Hard Drive ST16000NM002G (Renewed)
Toshiba MG08ACA16TE 16TB 7200RPM 512e 3.5" SATA Enterprise Desktop Hard Drive (Renewed)
Water Panther 16TB 7.2K RPM SATA 6Gb/s 3.5" HDD for Dell PowerEdge Servers | Enterprise Hard Drive in 14G Tray | Compatible with R340 R440 R640 R740
Water Panther 16TB 7200 RPM SATA 6Gb/s 3.5" HDD for Dell PowerEdge Servers | Enterprise Hard Drive in 13G Tray | Compatible with T440 T630 T640 R630 R720 R720xd R730xd R730
Related Buying Guides
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Best 18 TB Hard Drives
Compare 18 TB hard drive prices sorted by cost per terabyte. Enterprise, NAS, and refurbished 18 TB options from Amazon.com.
Best NAS Hard Drives
Compare NAS hard drive prices from Seagate IronWolf and WD Red. CMR drives ranked by price per TB for Synology, QNAP, TrueNAS, and Unraid builds.
Best HDD Deals Right Now
Live hard drive deals ranked by price per terabyte. New and refurbished HDDs on Amazon.com. Prices checked daily so you never overpay.