The Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk costs $0.0306/GB while the WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX costs $0.0444/GB. Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk offers 31% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk vs WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk | WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 8 TB | 8TB |
| $/GB | $0.0306 | $0.0444 |
| Price | $244.99 | $354.99 |
| Retailer | Amazon | Newegg |
| 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 $0.0306//GB compared to the WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX at $0.0444//GB — that's roughly 31% 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 $244.99 at Amazon, while the WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX starts at $354.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk and WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk or WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX 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 $0.0306//GB compared to WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX at $0.0444//GB. That is approximately 31% better value per gigabyte.
What is the price per GB of Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk?
The Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk is currently priced at $0.0306/GB ($244.99 for 8 TB) at Amazon.
Where can I buy WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX for the cheapest price?
The cheapest price for the WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX is $354.99 at Newegg, which works out to $0.0444/GB.