The Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0333/GB while the Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray costs $0.0420/GB. Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers 21% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive vs Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive | Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 6TB | 5TB |
| $/GB | $0.0333 | $0.0420 |
| Price | $199.99 | $209.99 |
| Retailer | Newegg | 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 ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0333//GB compared to the Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray at $0.0420//GB — that's roughly 21% less per gigabyte.
The best deal for the Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $199.99 at Newegg, while the Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray starts at $209.99 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 ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive and Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive or Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray a better deal?
As of July 2026, Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0333//GB compared to Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray at $0.0420//GB. That is approximately 21% better value per gigabyte.
What is the price per GB of Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive?
The Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is currently priced at $0.0333/GB ($199.99 for 6TB) at Newegg.
Where can I buy Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray for the cheapest price?
The cheapest price for the Seagate 5TB One Touch Portable Hard Drive USB 3.0 Model STKZ5000404 Space Gray is $209.99 at Newegg, which works out to $0.0420/GB.