The Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400 costs $0.0650/GB while the Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX costs $0.0441/GB. Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX offers 32% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400 vs Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX — Which Is Better Value?
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Specification Comparison
| Spec | Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400 | Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 6TB | 8 TB |
| $/GB | $0.0650 | $0.0441 |
| Price | $389.90 | $352.99 |
| 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 Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX offers better value at $0.0441//GB compared to the Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400 at $0.0650//GB — that's roughly 32% less per gigabyte.
The best deal for the Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX is $352.99 at Amazon, while the Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400 starts at $389.90 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 One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400 and Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400 or Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX a better deal?
As of August 2026, Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX offers better value at $0.0441//GB compared to Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400 at $0.0650//GB. That is approximately 32% better value per gigabyte.
What is the price per GB of Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400?
The Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400 is currently priced at $0.0650/GB ($389.90 for 6TB) at Newegg.
Where can I buy Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX for the cheapest price?
The cheapest price for the Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX is $352.99 at Amazon, which works out to $0.0441/GB.