The Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives costs $0.0481/GB while the Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ costs $0.0322/GB. Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ offers 33% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives vs Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ — Which Is Better Value?
Specification Comparison
| Spec | Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives | Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 12TB | 12 TB |
| $/GB | $0.0481 | $0.0322 |
| Price | $577.45 | $386.99 |
| Retailer | Newegg | Amazon |
| 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 Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ offers better value at $0.0322//GB compared to the Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives at $0.0481//GB — that's roughly 33% less per gigabyte.
The best deal for the Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ is $386.99 at Amazon, while the Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives starts at $577.45 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives and Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives or Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ a better deal?
As of June 2026, Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ offers better value at $0.0322//GB compared to Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives at $0.0481//GB. That is approximately 33% better value per gigabyte.
What is the price per GB of Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives?
The Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives is currently priced at $0.0481/GB ($577.45 for 12TB) at Newegg.
Where can I buy Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ for the cheapest price?
The cheapest price for the Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ is $386.99 at Amazon, which works out to $0.0322/GB.