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 daily from Amazon.com. All links go directly to the retailer. Details.
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.
Avolusion HDDGear Pro X 12TB USB 3.0 External Gaming Hard Drive (Pre-formatted for Xbox One X, S, Original)
HGST Ultrastar He12 | HUH721212ALE601 | 0F27454 | 12TB 7200 RPM 256MB SATA 6.0Gb/s 3.5" Cache | 512E | BitLocker Hard Drive Encryption | Power Disable Function |
Water Panther 12TB 7.2K RPM SAS 12Gb/s 3.5" LFF HDD for Dell PowerEdge Servers | Enterprise Hard Disk Drive in 13G Tray | Compatible with Rack Servers R710 R720 R730 R420 R430
Water Panther 12TB 7.2K RPM SAS 12Gb/s 3.5" HDD for Dell PowerEdge Servers | Enterprise Hard Drive in 14G Tray
MDD MAXDIGITALDATA 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal Hard Drive for Surveillance Storage (MD12TBGSA25672DVR) - 3 Years Warranty
HGST Ultrastar He12 | HUH721212ALE600 | 12TB 7.2K RPM SATA-6Gb/s 3.5" 256MB cache Hard Disk Drive
Avolusion PRO-G2 12TB USB 3.2 Gen 2 (10Gbps) USB-C External Hard Drive for Windows/MacOS (Silver)
UnionSine Desktop External Hard Drive 14TB, USB3.0 3.5" HDD Storage
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.
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 12TB, Interne Harde Schijf, voor NAS RAID, NAS, 3.5", SATA 6 GB/s, 7200 RPM, 265 MB Cache, FFP, Data Rescue Service (ST12000VNZ008)
Seagate IronWolf Pro ST12000NE0008 12 TB Hard Drive - 512E Format - SATA 600-3.5" Drive - Internal - 7200RPM - 256 MB Buffer - Hot Pluggable
Western Digital 12TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD122KFBX
Seagate IronWolf ST12000VN0007 12 TB 3.5 Internal Hard Drive - SATA - 7200rpm - 256 MB Buffer
Western Digital 12TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD121KFBX
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.
HGST Ultrastar He12 | HUH721212ALE600 | 12TB 7.2K RPM SATA-6Gb/s 3.5" 256MB cache Hard Disk Drive
WD-40 Ultrastar HE12 12TB SAS 512E
HGST Ultrastar He12 HUH721212AL4201 12 TB Hard Drive - SAS [12Gb/s SAS] - 3.5 Drive - Internal
Seagate Exos X24 12TB 3.5" 6 Gb/s SATA III Internal Hard Drive
Seagate-IMSourcing Exos X16 ST12000NM003G 12 TB Hard Drive - Internal - SATA [SATA/600]
Hgst 198944 Hard Drive 0f30146 3.5 Inch 12tb Es 72000rpm 256mb Sata 6gb/s 512e Se Ultrastar He12bare
Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600)
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.
HPE 12 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
Hewlett Packard Enterprise HPE 12TB SAS 7.2K Lff LP HE 512E DS HDD
HPE 12TB SATA 6G MIDLINE 7.2K LFF LP Helium DS FIRMWARE HD 881787-B21 882401-001
Avolusion PRO-T8 Series 12TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (Black) (Renewed)
Avolusion PRO-X USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop - (12TB) (Renewed)
Seagate-IMSourcing Exos X16 ST12000NM003G 12 TB Hard Drive - Internal - SATA [SATA/600]
Avolusion PRO-5X Series 12TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White) (Renewed)
Avolusion PRO-5Y Series 12TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White) (Renewed)
Frequently Asked Questions
Is 12TB a good size for a hard drive?
12 TB is a sweet spot for many buyers. It is large enough for a serious media library or NAS bay, while typically offering better price-per-TB than 8 TB drives. For NAS users, 12 TB drives in a 4-bay enclosure give you 36–48 TB of usable space depending on your RAID level.
What is the cheapest 12TB hard drive?
Refurbished enterprise 12 TB drives (Seagate Exos X12, WD Ultrastar HC520) regularly drop below $10/TB, under $120 per drive. New 12 TB NAS drives typically run $180–220. HDDHunt tracks these prices daily so you can catch the best deals.
Which 12TB drive is best for NAS?
The Seagate IronWolf 12TB and WD Red Plus 12TB are purpose-built for NAS use with CMR recording and vibration compensation. For budget builds, a refurbished Exos X12 or Ultrastar HC520 delivers the same enterprise reliability at a lower price. They just run louder.
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