The WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black costs $0.0500/GB while the Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk costs $0.0287/GB. Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk offers 43% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black vs Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk — Which Is Better Value?

Best Price$399.99
RetailerBest Buy
$/GB$0.0500
Rating4.7 (978 reviews)
Buy at Best Buy — $399.99

Specification Comparison

SpecWD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - BlackSeagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk
BrandWestern DigitalSeagate
Capacity8 TB8 TB
$/GB$0.0500$0.0287
Price$399.99$229.99
RetailerBest BuyAmazon
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Best Buy$0.0500//GB
$399.99Buy

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

Amazon$0.0287//GB
$229.99Buy

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 - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black at $0.0500//GB — that's roughly 43% 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 - 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 WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black and Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk product page for detailed specifications and price history.

Frequently Asked Questions

Is WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black or Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk 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 - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black at $0.0500//GB. That is approximately 43% better value per gigabyte.

What is the price per GB of WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black?

The WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black is currently priced at $0.0500/GB ($399.99 for 8 TB) at Best Buy.

Where can I buy Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk for the cheapest price?

The cheapest price 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, which works out to $0.0287/GB.

Compare With Similar Products