The Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ costs $0.0300/GB while the Seagate - Barracuda 4TB Internal Hard Drive for Desktops costs $0.0300/GB. Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ offers 0% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ vs Seagate - Barracuda 4TB Internal Hard Drive for Desktops — Which Is Better Value?
Specification Comparison
| Spec | Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ | Seagate - Barracuda 4TB Internal Hard Drive for Desktops |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 2 TB | 4 TB |
| $/GB | $0.0300 | $0.0300 |
| Price | $59.99 | $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 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ offers better value at $0.0300//GB compared to the Seagate - Barracuda 4TB Internal Hard Drive for Desktops at $0.0300//GB — that's roughly 0% less per gigabyte.
The best deal for the Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ is $59.99 at Amazon, while the Seagate - Barracuda 4TB 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 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ and Seagate - Barracuda 4TB Internal Hard Drive for Desktops product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ or Seagate - Barracuda 4TB Internal Hard Drive for Desktops a better deal?
As of April 2026, Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ offers better value at $0.0300//GB compared to Seagate - Barracuda 4TB Internal Hard Drive for Desktops at $0.0300//GB. That is approximately 0% better value per gigabyte.
What is the price per GB of Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ?
The Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ is currently priced at $0.0300/GB ($59.99 for 2 TB) at Amazon.
Where can I buy Seagate - Barracuda 4TB Internal Hard Drive for Desktops for the cheapest price?
The cheapest price for the Seagate - Barracuda 4TB Internal Hard Drive for Desktops is $119.99 at Best Buy, which works out to $0.0300/GB.