The Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP costs $0.0460/GB while the Seagate - Barracuda 8TB Internal Hard Drive for Desktops costs $0.0312/GB. Seagate - Barracuda 8TB Internal Hard Drive for Desktops offers 32% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP vs Seagate - Barracuda 8TB Internal Hard Drive for Desktops — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP | Seagate - Barracuda 8TB Internal Hard Drive for Desktops |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 10 TB | 8 TB |
| $/GB | $0.0460 | $0.0312 |
| Price | $459.99 | $249.99 |
| Retailer | Amazon | Best Buy |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate - Barracuda 8TB Internal Hard Drive for Desktops offers better value at $0.0312//GB compared to the Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP at $0.0460//GB — that's roughly 32% less per gigabyte.
The best deal for the Seagate - Barracuda 8TB Internal Hard Drive for Desktops is $249.99 at Best Buy, while the Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP starts at $459.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP and Seagate - Barracuda 8TB Internal Hard Drive for Desktops product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP or Seagate - Barracuda 8TB Internal Hard Drive for Desktops a better deal?
As of August 2026, Seagate - Barracuda 8TB Internal Hard Drive for Desktops offers better value at $0.0312//GB compared to Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP at $0.0460//GB. That is approximately 32% better value per gigabyte.
What is the price per GB of Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP?
The Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102PURP is currently priced at $0.0460/GB ($459.99 for 10 TB) at Amazon.
Where can I buy Seagate - Barracuda 8TB Internal Hard Drive for Desktops for the cheapest price?
The cheapest price for the Seagate - Barracuda 8TB Internal Hard Drive for Desktops is $249.99 at Best Buy, which works out to $0.0312/GB.