The WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black costs $0.0306/GB while the Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ costs $0.0256/GB. Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ offers 16% better value per gigabyte as of April 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 Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ — Which Is Better Value?
WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black
Specification Comparison
| Spec | WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black | Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 8 TB | 8 TB |
| $/GB | $0.0306 | $0.0256 |
| Price | $244.99 | $204.99 |
| Retailer | Best Buy | Amazon |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ offers better value at $0.0256//GB compared to the WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black at $0.0306//GB — that's roughly 16% less per gigabyte.
The best deal for the Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ is $204.99 at Amazon, while the WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black starts at $244.99 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 Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ 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 Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ a better deal?
As of April 2026, Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ offers better value at $0.0256//GB compared to WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black at $0.0306//GB. That is approximately 16% 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 $0.0306/GB ($244.99 for 8 TB) at Best Buy.
Where can I buy Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ for the cheapest price?
The cheapest price for the Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ is $204.99 at Amazon, which works out to $0.0256/GB.