The (Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003) costs $0.0750/GB while the Seagate 4 TB 3.5" Internal Hard Drive costs $0.0341/GB. Seagate 4 TB 3.5" Internal Hard Drive offers 55% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
(Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003) vs Seagate 4 TB 3.5" Internal Hard Drive — Which Is Better Value?
Seagate 4 TB 3.5" Internal Hard Drive
Specification Comparison
| Spec | (Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003) | Seagate 4 TB 3.5" Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 1 TB | 4 TB |
| $/GB | $0.0750 | $0.0341 |
| Price | $75.00 | $136.47 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| 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 $0.0341//GB compared to the (Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003) at $0.0750//GB — that's roughly 55% less per gigabyte.
The best deal for the Seagate 4 TB 3.5" Internal Hard Drive is $136.47 at Amazon, while the (Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003) starts at $75.00 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each (Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003) and Seagate 4 TB 3.5" Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is (Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003) or Seagate 4 TB 3.5" Internal Hard Drive a better deal?
As of May 2026, Seagate 4 TB 3.5" Internal Hard Drive offers better value at $0.0341//GB compared to (Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003) at $0.0750//GB. That is approximately 55% better value per gigabyte.
What is the price per GB of (Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003)?
The (Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003) is currently priced at $0.0750/GB ($75.00 for 1 TB) at Amazon.
Where can I buy Seagate 4 TB 3.5" Internal Hard Drive for the cheapest price?
The cheapest price for the Seagate 4 TB 3.5" Internal Hard Drive is $136.47 at Amazon, which works out to $0.0341/GB.