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 $0.0326/GB while the WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black costs $0.0500/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 35% 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 - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black — Which Is Better Value?
WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black
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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 - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 8 TB | 8 TB |
| $/GB | $0.0326 | $0.0500 |
| Price | $260.55 | $399.99 |
| 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 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 $0.0326//GB compared to the WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black at $0.0500//GB — that's roughly 35% 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 $260.55 at Amazon, while the WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black starts at $399.99 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 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 - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black 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 - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black 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 $0.0326//GB compared to WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black at $0.0500//GB. That is approximately 35% 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 $0.0326/GB ($260.55 for 8 TB) at Amazon.
Where can I buy WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black for the cheapest price?
The cheapest price for the WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black is $399.99 at Best Buy, which works out to $0.0500/GB.