The Seagate 4 TB 3.5" Internal Hard Drive costs $0.0288/GB while the Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) costs $0.0550/GB. Seagate 4 TB 3.5" Internal Hard Drive offers 48% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate 4 TB 3.5" Internal Hard Drive vs Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) — Which Is Better Value?
Seagate 4 TB 3.5" Internal Hard Drive
Specification Comparison
| Spec | Seagate 4 TB 3.5" Internal Hard Drive | Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 4 TB | 1 TB |
| $/GB | $0.0288 | $0.0550 |
| Price | $115.00 | $55.00 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate 4 TB 3.5" Internal Hard Drive offers better value at $0.0288//GB compared to the Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) at $0.0550//GB — that's roughly 48% less per gigabyte.
The best deal for the Seagate 4 TB 3.5" Internal Hard Drive is $115.00 at Amazon, while the Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) starts at $55.00 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate 4 TB 3.5" Internal Hard Drive and Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate 4 TB 3.5" Internal Hard Drive or Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) a better deal?
As of April 2026, Seagate 4 TB 3.5" Internal Hard Drive offers better value at $0.0288//GB compared to Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) at $0.0550//GB. That is approximately 48% better value per gigabyte.
What is the price per GB of Seagate 4 TB 3.5" Internal Hard Drive?
The Seagate 4 TB 3.5" Internal Hard Drive is currently priced at $0.0288/GB ($115.00 for 4 TB) at Amazon.
Where can I buy Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) for the cheapest price?
The cheapest price for the Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) is $55.00 at Amazon, which works out to $0.0550/GB.