The Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) costs $0.0279/GB while the WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) costs $0.0514/GB. Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers 46% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) vs WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) | WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 20TB | 26TB |
| $/GB | $0.0279 | $0.0514 |
| Price | $559.00 | $1337.37 |
| 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 Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0279//GB compared to the WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) at $0.0514//GB — that's roughly 46% 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 $559.00 at Newegg, while the WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) starts at $1337.37 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 Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) and WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) or WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) a better deal?
As of August 2026, Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0279//GB compared to WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) at $0.0514//GB. That is approximately 46% better value per gigabyte.
What is the price per GB of Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR)?
The Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) is currently priced at $0.0279/GB ($559.00 for 20TB) at Newegg.
Where can I buy WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) for the cheapest price?
The cheapest price for the WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN) is $1337.37 at Newegg, which works out to $0.0514/GB.