The Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) costs $0.0312/GB while the WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX costs $0.0642/GB. Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) offers 51% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) vs WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX — 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 | Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) | WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 8 TB | 6TB |
| $/GB | $0.0312 | $0.0642 |
| Price | $249.99 | $384.99 |
| Retailer | Amazon | Newegg |
| 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 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) offers better value at $0.0312//GB compared to the WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX at $0.0642//GB — that's roughly 51% less per gigabyte.
The best deal for the Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) is $249.99 at Amazon, while the WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX starts at $384.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) and WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) or WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX a better deal?
As of August 2026, Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) offers better value at $0.0312//GB compared to WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX at $0.0642//GB. That is approximately 51% better value per gigabyte.
What is the price per GB of Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004)?
The Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) is currently priced at $0.0312/GB ($249.99 for 8 TB) at Amazon.
Where can I buy WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX for the cheapest price?
The cheapest price for the WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX is $384.99 at Newegg, which works out to $0.0642/GB.