The Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black costs $0.0222/GB while the Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive costs $0.0252/GB. Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black offers 12% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black vs Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black | Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Toshiba |
| Capacity | 18TB | 16TB |
| $/GB | $0.0222 | $0.0252 |
| Price | $399.00 | $403.67 |
| 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 One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black offers better value at $0.0222//GB compared to the Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive at $0.0252//GB — that's roughly 12% 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 Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive starts at $403.67 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 One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black and Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black or Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive 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 Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive at $0.0252//GB. That is approximately 12% better value per gigabyte.
What is the price per GB of Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black?
The Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black is currently priced at $0.0222/GB ($399.00 for 18TB) at Newegg.
Where can I buy Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive for the cheapest price?
The cheapest price for the Toshiba 16TB X300 Performance 3.5' CMR Internal Hard Drive is $403.67 at Newegg, which works out to $0.0252/GB.