The Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED costs $0.0375/GB while the WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX costs $0.0536/GB. Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED offers 30% 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 Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX — 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 Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 14TB | 14TB |
| $/GB | $0.0375 | $0.0536 |
| Price | $524.45 | $749.95 |
| 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 $0.0375//GB compared to the WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX at $0.0536//GB — that's roughly 30% 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 $524.45 at Newegg, while the WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX starts at $749.95 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 Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX 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 Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX 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 $0.0375//GB compared to WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX at $0.0536//GB. That is approximately 30% 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 $0.0375/GB ($524.45 for 14TB) at Newegg.
Where can I buy WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX for the cheapest price?
The cheapest price for the WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX is $749.95 at Newegg, which works out to $0.0536/GB.