The Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) costs $0.0305/GB while the Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) costs $0.0463/GB. Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers 34% better value per gigabyte as of July 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 Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) — Which Is Better Value?
Specification Comparison
| Spec | Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) | Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 20TB | 20TB |
| $/GB | $0.0305 | $0.0463 |
| Price | $609.00 | $925.99 |
| 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 $0.0305//GB compared to the Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) at $0.0463//GB — that's roughly 34% 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 $609.00 at Newegg, while the Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) starts at $925.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) and Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) 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 Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) a better deal?
As of July 2026, Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0305//GB compared to Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) at $0.0463//GB. That is approximately 34% 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 $0.0305/GB ($609.00 for 20TB) at Newegg.
Where can I buy Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) for the cheapest price?
The cheapest price for the Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) is $925.99 at Newegg, which works out to $0.0463/GB.