The WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ costs $0.0406/GB while the Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive costs $0.0337/GB. Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers 17% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ vs Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ | Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 8TB | 8TB |
| $/GB | $0.0406 | $0.0337 |
| Price | $324.99 | $269.99 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ
Which Should You Buy?
Based on current pricing data, the Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0337//GB compared to the WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ at $0.0406//GB — that's roughly 17% less per gigabyte.
The best deal for the Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is $269.99 at Newegg, while the WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ starts at $324.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ and Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ or Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive a better deal?
As of August 2026, Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0337//GB compared to WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ at $0.0406//GB. That is approximately 17% better value per gigabyte.
What is the price per GB of WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ?
The WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ is currently priced at $0.0406/GB ($324.99 for 8TB) at Newegg.
Where can I buy Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive for the cheapest price?
The cheapest price for the Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is $269.99 at Newegg, which works out to $0.0337/GB.