The Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED costs $0.0368/GB while the Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal costs $0.0612/GB. Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED offers 40% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED vs Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal — Which Is Better Value?
Specification Comparison
| Spec | Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED | Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 14TB | 12TB |
| $/GB | $0.0368 | $0.0612 |
| Price | $514.99 | $735.00 |
| 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 Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal at $0.0612//GB — that's roughly 40% 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 Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal starts at $735.00 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 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED and Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED or Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal 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 Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal at $0.0612//GB. That is approximately 40% better value per gigabyte.
What is the price per GB of Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED?
The Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED is currently priced at $0.0368/GB ($514.99 for 14TB) at Newegg.
Where can I buy Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal for the cheapest price?
The cheapest price for the Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 512e Format - SATA (SATA/600) - 3.5' Drive - Internal is $735.00 at Newegg, which works out to $0.0612/GB.