The WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black costs $0.0365/GB while the Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) costs $0.0300/GB. Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers 18% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black vs Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) — Which Is Better Value?
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Specification Comparison
| Spec | WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black | Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 20TB | 20TB |
| $/GB | $0.0365 | $0.0300 |
| Price | $729.00 | $599.00 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black
Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR)
Which Should You Buy?
Based on current pricing data, the Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0300//GB compared to the WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black at $0.0365//GB — that's roughly 18% less per gigabyte.
The best deal for the Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) is $599.00 at Newegg, while the WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black starts at $729.00 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 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black and Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black or Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) a better deal?
As of September 2026, Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0300//GB compared to WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black at $0.0365//GB. That is approximately 18% better value per gigabyte.
What is the price per GB of WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black?
The WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black is currently priced at $0.0365/GB ($729.00 for 20TB) at Newegg.
Where can I buy Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) for the cheapest price?
The cheapest price for the Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) is $599.00 at Newegg, which works out to $0.0300/GB.