The Seagate Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400) costs $0.1567/GB while the 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive costs $0.0358/GB. 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive offers 77% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400) vs 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard 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 | Seagate Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400) | 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Toshiba |
| Capacity | 1TB | 4TB |
| $/GB | $0.1567 | $0.0358 |
| Price | $156.66 | $143.40 |
| 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 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive offers better value at $0.0358//GB compared to the Seagate Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400) at $0.1567//GB — that's roughly 77% less per gigabyte.
The best deal for the 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive is $143.40 at Newegg, while the Seagate Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400) starts at $156.66 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 Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400) and 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400) or 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive a better deal?
As of September 2026, 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive offers better value at $0.0358//GB compared to Seagate Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400) at $0.1567//GB. That is approximately 77% better value per gigabyte.
What is the price per GB of Seagate Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400)?
The Seagate Portable 1TB External Hard Drive HDD - USB 3.0 for PC Laptop and Mac (STGX1000400) is currently priced at $0.1567/GB ($156.66 for 1TB) at Newegg.
Where can I buy 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive for the cheapest price?
The cheapest price for the 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive is $143.40 at Newegg, which works out to $0.0358/GB.