Best 12 TB Hard Drives
12 TB is one of the most popular capacity points for NAS builders and budget-conscious storage shoppers. It sits in the sweet spot between high density and affordable per-TB pricing — large enough to meaningfully fill a bay slot, but using mature platter technology that keeps costs down. At 12 TB you will find well-established models across NAS, enterprise, and general-purpose lines from both Seagate and Western Digital.
Why 12 TB?
12 TB drives typically offer some of the lowest per-TB pricing because they use proven, high-volume platter configurations. Four 12 TB drives in RAID 5 give you ~36 TB usable — enough for a substantial media library, backup target, or small-business file server. For many buyers, 12 TB hits the optimal cost-per-TB sweet spot without overspending on cutting-edge capacities.
Prices updated hourly from Amazon US and UK. All links go directly to the retailer.
Best Value 12 TB Drives
All new 12 TB hard drives ranked by price per terabyte. The best deals across enterprise, NAS, and standard lines.
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 (12, TB)
Seagate Expansion Desktop 12TB, External Hard Drive, USB 3.0, Data Rescue Services (STKP12000400)
WD HGST 12TB HUH721212ALE601 7200RPM Ultarstar SATA 6Gb/s 256MB Hard Drive 0F29591
Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ
WD Ultrastar 0F29562 DC HC520 12TB HDD SAS-12Gbps 3.5-Inch Internal Hard Drive HUH721212AL4204
Avolusion PRO-Z Series 12TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White)
for PGXHP 0PGXHP R720XD Server Hard Drive backplane 3.5-inch 12-Bay backplane
OSENTRiX BX100 12TB USB 3.2 Gen 2 USB-C External Hard Drive for Windows or MacOS Desktop PC/Laptop
NAS 12 TB Drives
IronWolf and WD Red 12 TB models designed for always-on NAS enclosures. Firmware optimised for RAID arrays and multi-bay vibration tolerance.
WD Red Plus 12TB NAS 3.5" Internal Hard Drive - 7200 RPM, SATA 6Gb/s, CMR, 256MB Cache
WD Red Plus 12TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX
Seagate IronWolf Pro 12TB, 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 (ST12000NTZ01)
WD Red Pro 12TB NAS 3.5" Internal Hard Drive - 7200 RPM, SATA 6 Gb/s, CMR, 512MB Cache
Seagate IronWolf ST12000VN0008 - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB Mechanical Hard Disk
Seagate IronWolf internal hard drive 3.5 12TB HDD 3 years warranty 256MB 7200rpm 24 hours operation PC NAS for RV sensor ST12000VN0008
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD120EFAX
Enterprise 12 TB Drives
Seagate Exos and WD Ultrastar 12 TB models for server and datacenter use. 24/7 rated with 5-year warranties and high workload endurance.
Seagate Exos X18 12TB HDD 512E/4KN SAS
HGST Ultrastar He12 HUH721212ALE600 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - 7200rpm
HGST Ultrastar He12 HUH721212AL4201 12 TB Hard Drive - SAS [12Gb/s SAS] - 3.5 Drive - Internal
Enterprise C EXOS X18 12TB 3.5IN 7200RPM SAS Helium 512E
WD-40 Ultrastar HE12 12TB SAS 512E
WD-40 Ultrastar HE12 12TB SAS 512E
HGST Ultrastar He12 | HUH721212ALE600 | 12TB 7.2K RPM SATA-6Gb/s 3.5" 256MB cache Hard Disk Drive
Western Digital HGST Ultrastar He12 HUH721212ALE600 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - 7200rpm - 256 MB Buffer - 5 Year Warranty
Refurbished 12 TB Drives
Used and recertified 12 TB drives at reduced prices. Enterprise datacenter pulls that offer strong value for homelabs, backup targets, and non-critical storage.
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 (12, TB)
Hgst 198944 Hard Drive 0f30146 3.5 Inch 12tb Es 72000rpm 256mb Sata 6gb/s 512e Se Ultrastar He12bare
Seagate Exos X16, 12TB, Enterprise Internal Hard Drive, SATA, 3.5", for Business and Data Centre (ST12000NM001G)
Dell 12TB 7.2K 12Gbps NL SAS 3.5 HDD 512e (9HXK6) (Renewed)
Seagate ST12000NM002G 12TB 12Gb/s SAS HDD
Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ
WD_BLACK D10 12TB Game Drive for Xbox, external HDD, transfer speeds up to 250 MB/s, 7200RPM, Active Cooling to Store your Massive Collection, 1 Month Xbox Game Pass, black
HPE 12 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
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