The Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black costs $0.0344/GB while the Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black costs $0.0222/GB. Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black offers 36% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black vs Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black — Which Is Better Value?
Specification Comparison
| Spec | Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black | Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 16 TB | 18TB |
| $/GB | $0.0344 | $0.0222 |
| Price | $549.99 | $399.00 |
| Retailer | Best Buy | 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 One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black offers better value at $0.0222//GB compared to the Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black at $0.0344//GB — that's roughly 36% less per gigabyte.
The best deal for the Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black is $399.00 at Newegg, while the Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black starts at $549.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black and Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black or Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black a better deal?
As of June 2026, Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black offers better value at $0.0222//GB compared to Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black at $0.0344//GB. That is approximately 36% better value per gigabyte.
What is the price per GB of Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black?
The Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black is currently priced at $0.0344/GB ($549.99 for 16 TB) at Best Buy.
Where can I buy Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black for the cheapest price?
The cheapest price for the Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black is $399.00 at Newegg, which works out to $0.0222/GB.