Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX

Name: Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX
Brand: WD
SKU: B0F4R6SNJG
Price: 459.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-08-21

$459.99

Buy on Amazon — $459.99 Compare to similar drives & media

*Price sourced from Amazon.com. Last updated 2026-08-21. Price and availability subject to change.

Bottom line: The Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX is a niche pick — read recent reviews before buying in the drives & media category, priced around $459.99. Read recent reviews carefully before committing.

The WD Red Plus WD120EFGX is a 12TB, 3.5-inch NAS hard drive built for small- to medium-business and SOHO storage arrays that run around the clock. It spins at 7200 RPM over a SATA 6 Gb/s interface, pairs a 512 MB cache with CMR recording, and runs WD's NASware firmware so it negotiates cleanly with multi-bay enclosures instead of dropping out of an array mid-rebuild. Because it is CMR rather than SMR, sustained random writes and RAID rebuilds on ZFS and other parity file systems hold their speed instead of collapsing partway through, which is the failure mode that makes shingled drives a…

SpecPicks Verdict

SpecPicks classifies Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200… as a niche pick — read recent reviews before buying in the drives & media category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. WD's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for drives & media of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ NASware firmware for compatibility
✓ Backed by WD's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Available in capacities ranging from 1-14TB with support for up to 8 bays.Data Transfer Rate:6Gbps.Specific uses: Business
Supports up to 180 TB/yr workload rate | Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
NASware firmware for compatibility
Small or medium business NAS systems in a 24x7 environment, Compatibility: Unlike desktop drives, these drives are specifically tested for compatibility with NAS systems for optimum performance.
3-year limited warranty

Full Specifications

Brand	WD
Color	Red
Model Name	WD Red Plus
Read Speed	260 Megabytes Per Second
Form Factor	3.5-inch
Media Speed	490 megabytes_per_second
Model Number	WD120EFGX-SPCPHN0
Built-In Media	hard drive
Hard-Drive Size	12 TB
Mfr Part Number	WD120EFGX
Number of Items	1
Special Feature	Dust Resistant
Hardware Platform	WD
Installation Type	Internal Hard Drive

Ready to buy?

Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-21. Price and availability subject to change.