The Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ costs $0.0406/GB while the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) costs $0.0302/GB. Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) offers 26% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ vs Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) — Which Is Better Value?

Specification Comparison

SpecWestern Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZSeagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)
BrandWestern DigitalSeagate
Capacity8 TB8 TB
$/GB$0.0406$0.0302
Price$324.99$241.97
RetailerAmazonAmazon
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ

Amazon$0.0406//GB
$324.99Buy

Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)

Amazon$0.0302//GB
$241.97Buy

Which Should You Buy?

Based on current pricing data, the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) offers better value at $0.0302//GB compared to the Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ at $0.0406//GB — that's roughly 26% less per gigabyte.

The best deal for the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) is $241.97 at Amazon, while the Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ starts at $324.99 at Amazon.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ and Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) product page for detailed specifications and price history.

Frequently Asked Questions

Is Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ or Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) a better deal?

As of June 2026, Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) offers better value at $0.0302//GB compared to Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ at $0.0406//GB. That is approximately 26% better value per gigabyte.

What is the price per GB of Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ?

The Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ is currently priced at $0.0406/GB ($324.99 for 8 TB) at Amazon.

Where can I buy Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) for the cheapest price?

The cheapest price for the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) is $241.97 at Amazon, which works out to $0.0302/GB.

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