The Toshiba 20TB X300 Performance 3.5' CMR Internal Hard Drive costs $0.0300/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 26% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Toshiba 20TB X300 Performance 3.5' CMR Internal Hard Drive vs Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black — Which Is Better Value?
Specification Comparison
| Spec | Toshiba 20TB X300 Performance 3.5' CMR Internal Hard Drive | Seagate One Touch 18TB USB 3.0 / USB Type-C Hard Drives - Desktop External Black |
|---|---|---|
| Brand | Toshiba | Seagate |
| Capacity | 20TB | 18TB |
| $/GB | $0.0300 | $0.0222 |
| Price | $598.99 | $399.00 |
| 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 20TB X300 Performance 3.5' CMR Internal Hard Drive at $0.0300//GB — that's roughly 26% 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 20TB X300 Performance 3.5' CMR Internal Hard Drive starts at $598.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Toshiba 20TB X300 Performance 3.5' CMR Internal Hard Drive 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 Toshiba 20TB X300 Performance 3.5' CMR Internal Hard Drive 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 Toshiba 20TB X300 Performance 3.5' CMR Internal Hard Drive at $0.0300//GB. That is approximately 26% better value per gigabyte.
What is the price per GB of Toshiba 20TB X300 Performance 3.5' CMR Internal Hard Drive?
The Toshiba 20TB X300 Performance 3.5' CMR Internal Hard Drive is currently priced at $0.0300/GB ($598.99 for 20TB) at Newegg.
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.