The Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk costs $0.0287/GB while the WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black costs $0.0943/GB. Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk offers 70% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk vs WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black — Which Is Better Value?

Specification Comparison

SpecSeagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard DiskWD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black
BrandSeagateWestern Digital
Capacity8 TB6TB
$/GB$0.0287$0.0943
Price$229.99$565.99
RetailerAmazonNewegg
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk

Amazon$0.0287//GB
$229.99Buy

WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black

Newegg$0.0943//GB
$565.99Buy

Which Should You Buy?

Based on current pricing data, the Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk offers better value at $0.0287//GB compared to the WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black at $0.0943//GB — that's roughly 70% less per gigabyte.

The best deal for the Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk is $229.99 at Amazon, while the WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black starts at $565.99 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 Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk and WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black product page for detailed specifications and price history.

Frequently Asked Questions

Is Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk or WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black a better deal?

As of June 2026, Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk offers better value at $0.0287//GB compared to WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black at $0.0943//GB. That is approximately 70% better value per gigabyte.

What is the price per GB of Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk?

The Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk is currently priced at $0.0287/GB ($229.99 for 8 TB) at Amazon.

Where can I buy WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black for the cheapest price?

The cheapest price for the WD Elements 6TB USB 3.0 / USB 2.0 External Desktop Hard Drive Black is $565.99 at Newegg, which works out to $0.0943/GB.

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