The WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0375/GB while the Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED costs $0.0368/GB. Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED offers 2% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive vs Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED — Which Is Better Value?
Specification Comparison
| Spec | WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive | Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 12TB | 14TB |
| $/GB | $0.0375 | $0.0368 |
| Price | $449.99 | $514.99 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED offers better value at $0.0368//GB compared to the WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0375//GB — that's roughly 2% less per gigabyte.
The best deal for the Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED is $514.99 at Newegg, while the WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive starts at $449.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive and Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive or Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED a better deal?
As of July 2026, Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED offers better value at $0.0368//GB compared to WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0375//GB. That is approximately 2% better value per gigabyte.
What is the price per GB of WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive?
The WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is currently priced at $0.0375/GB ($449.99 for 12TB) at Newegg.
Where can I buy Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED for the cheapest price?
The cheapest price for the Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED is $514.99 at Newegg, which works out to $0.0368/GB.