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 costs $0.0298/GB while the Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED costs $0.0404/GB. Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX offers 26% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX vs Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED — Which Is Better Value?
Specification Comparison
| Spec | 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 Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 12 TB | 12TB |
| $/GB | $0.0298 | $0.0404 |
| Price | $357.99 | $484.45 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, 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 offers better value at $0.0298//GB compared to the Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED at $0.0404//GB — that's roughly 26% less per gigabyte.
The best deal for 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 $357.99 at Amazon, while the Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED starts at $484.45 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX and Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX or Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED a better deal?
As of June 2026, Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX offers better value at $0.0298//GB compared to Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED at $0.0404//GB. That is approximately 26% better value per gigabyte.
What is the price per GB of Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX?
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 currently priced at $0.0298/GB ($357.99 for 12 TB) at Amazon.
Where can I buy Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED for the cheapest price?
The cheapest price for the Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED is $484.45 at Newegg, which works out to $0.0404/GB.