The WD My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN) costs $0.0545/GB while the Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk costs $0.0312/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 September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN) vs Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk — Which Is Better Value?
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Specification Comparison
| Spec | WD My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN) | Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 8TB | 8 TB |
| $/GB | $0.0545 | $0.0312 |
| Price | $436.39 | $249.99 |
| Retailer | Newegg | Amazon |
| 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 Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk offers better value at $0.0312//GB compared to the WD My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN) at $0.0545//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 $249.99 at Amazon, while the WD My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN) starts at $436.39 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN) 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 My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN) or Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk a better deal?
As of September 2026, Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk offers better value at $0.0312//GB compared to WD My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN) at $0.0545//GB. That is approximately 43% better value per gigabyte.
What is the price per GB of WD My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN)?
The WD My Book 8TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0080HBK-NESN) is currently priced at $0.0545/GB ($436.39 for 8TB) at Newegg.
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 $249.99 at Amazon, which works out to $0.0312/GB.