The Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives costs $0.0371/GB while the WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ costs $0.0559/GB. Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives offers 34% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives vs WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ — Which Is Better Value?
WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ
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Specification Comparison
| Spec | Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives | WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 14TB | 14TB |
| $/GB | $0.0371 | $0.0559 |
| Price | $518.89 | $781.99 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives
Which Should You Buy?
Based on current pricing data, the Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives offers better value at $0.0371//GB compared to the WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ at $0.0559//GB — that's roughly 34% less per gigabyte.
The best deal for the Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives is $518.89 at Newegg, while the WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ starts at $781.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives and WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives or WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ a better deal?
As of August 2026, Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives offers better value at $0.0371//GB compared to WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ at $0.0559//GB. That is approximately 34% better value per gigabyte.
What is the price per GB of Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives?
The Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives is currently priced at $0.0371/GB ($518.89 for 14TB) at Newegg.
Where can I buy WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ for the cheapest price?
The cheapest price for the WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ is $781.99 at Newegg, which works out to $0.0559/GB.