The WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black costs $0.0342/GB while the Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray costs $0.0325/GB. Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray offers 5% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black vs Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray — Which Is Better Value?
Specification Comparison
| Spec | WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black | Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 18TB | 20 TB |
| $/GB | $0.0342 | $0.0325 |
| Price | $614.99 | $649.99 |
| Retailer | Newegg | Best Buy |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray offers better value at $0.0325//GB compared to the WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black at $0.0342//GB — that's roughly 5% less per gigabyte.
The best deal for the Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray is $649.99 at Best Buy, while the WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black starts at $614.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black and Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black or Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray a better deal?
As of July 2026, Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray offers better value at $0.0325//GB compared to WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black at $0.0342//GB. That is approximately 5% better value per gigabyte.
What is the price per GB of WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black?
The WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black is currently priced at $0.0342/GB ($614.99 for 18TB) at Newegg.
Where can I buy Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray for the cheapest price?
The cheapest price for the Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray is $649.99 at Best Buy, which works out to $0.0325/GB.