The WD Purple Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP costs $0.0571/GB while the Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives costs $0.0371/GB. Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives offers 35% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Purple Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP vs Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives — Which Is Better Value?
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Specification Comparison
| Spec | WD Purple Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP | Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 14TB | 14TB |
| $/GB | $0.0571 | $0.0371 |
| Price | $799.99 | $519.00 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
WD Purple Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP
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 Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP at $0.0571//GB — that's roughly 35% 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 $519.00 at Newegg, while the WD Purple Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP starts at $799.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Purple Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP and Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Purple Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP or Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives 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 Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP at $0.0571//GB. That is approximately 35% better value per gigabyte.
What is the price per GB of WD Purple Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP?
The WD Purple Pro 14TB 7200 RPM 512MB Cache SATA 3.5' Internal Hard Drive - WD142PURP is currently priced at $0.0571/GB ($799.99 for 14TB) at Newegg.
Where can I buy Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives for the cheapest price?
The cheapest price for the Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives is $519.00 at Newegg, which works out to $0.0371/GB.