The Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ costs $0.0324/GB while the Seagate - Barracuda 2TB Internal Hard Drive for Desktops costs $0.0600/GB. Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers 46% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ vs Seagate - Barracuda 2TB Internal Hard Drive for Desktops — Which Is Better Value?
Specification Comparison
| Spec | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ | Seagate - Barracuda 2TB Internal Hard Drive for Desktops |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 4 TB | 2 TB |
| $/GB | $0.0324 | $0.0600 |
| Price | $129.77 | $119.99 |
| 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 Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers better value at $0.0324//GB compared to the Seagate - Barracuda 2TB Internal Hard Drive for Desktops at $0.0600//GB — that's roughly 46% less per gigabyte.
The best deal for the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ is $129.77 at Amazon, while the Seagate - Barracuda 2TB Internal Hard Drive for Desktops starts at $119.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ and Seagate - Barracuda 2TB Internal Hard Drive for Desktops product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ or Seagate - Barracuda 2TB Internal Hard Drive for Desktops a better deal?
As of May 2026, Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers better value at $0.0324//GB compared to Seagate - Barracuda 2TB Internal Hard Drive for Desktops at $0.0600//GB. That is approximately 46% better value per gigabyte.
What is the price per GB of Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ?
The Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ is currently priced at $0.0324/GB ($129.77 for 4 TB) at Amazon.
Where can I buy Seagate - Barracuda 2TB Internal Hard Drive for Desktops for the cheapest price?
The cheapest price for the Seagate - Barracuda 2TB Internal Hard Drive for Desktops is $119.99 at Best Buy, which works out to $0.0600/GB.