The Seagate - Barracuda 8TB Internal Hard Drive for Desktops costs $0.0250/GB while the Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ costs $0.0405/GB. Seagate - Barracuda 8TB Internal Hard Drive for Desktops offers 38% better value per gigabyte as of March 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate - Barracuda 8TB Internal Hard Drive for Desktops vs Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ — Which Is Better Value?
Specification Comparison
| Spec | Seagate - Barracuda 8TB Internal Hard Drive for Desktops | Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 8 TB | 8 TB |
| $/GB | $0.0250 | $0.0405 |
| Price | $199.99 | $323.99 |
| Retailer | Best Buy | Amazon |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| 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 $0.0250//GB compared to the Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ at $0.0405//GB — that's roughly 38% less per gigabyte.
The best deal for the Seagate - Barracuda 8TB Internal Hard Drive for Desktops is $199.99 at Best Buy, while the Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ starts at $323.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate - Barracuda 8TB Internal Hard Drive for Desktops and Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate - Barracuda 8TB Internal Hard Drive for Desktops or Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ a better deal?
As of March 2026, Seagate - Barracuda 8TB Internal Hard Drive for Desktops offers better value at $0.0250//GB compared to Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ at $0.0405//GB. That is approximately 38% better value per gigabyte.
What is the price per GB of Seagate - Barracuda 8TB Internal Hard Drive for Desktops?
The Seagate - Barracuda 8TB Internal Hard Drive for Desktops is currently priced at $0.0250/GB ($199.99 for 8 TB) at Best Buy.
Where can I buy Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ for the cheapest price?
The cheapest price for the Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ is $323.99 at Amazon, which works out to $0.0405/GB.