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 WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) costs $0.0458/GB. Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED offers 20% 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 WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) — 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 | WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 14TB | 12TB |
| $/GB | $0.0368 | $0.0458 |
| Price | $514.99 | $549.64 |
| 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 My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) at $0.0458//GB — that's roughly 20% 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 My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) starts at $549.64 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 WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) 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 WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) 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 My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) at $0.0458//GB. That is approximately 20% 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 WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) for the cheapest price?
The cheapest price for the WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) is $549.64 at Newegg, which works out to $0.0458/GB.