The OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution costs $0.0600/GB while the Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) costs $0.0315/GB. Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers 48% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution vs Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) — Which Is Better Value?
Specification Comparison
| Spec | OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution | Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) |
|---|---|---|
| Brand | OWC | Seagate |
| Capacity | 20TB | 20TB |
| $/GB | $0.0600 | $0.0315 |
| Price | $1199.99 | $630.00 |
| 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 Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0315//GB compared to the OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution at $0.0600//GB — that's roughly 48% 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 $630.00 at Newegg, while the OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution starts at $1199.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution 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 OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution or Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) 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 $0.0315//GB compared to OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution at $0.0600//GB. That is approximately 48% better value per gigabyte.
What is the price per GB of OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution?
The OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution is currently priced at $0.0600/GB ($1199.99 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 $630.00 at Newegg, which works out to $0.0315/GB.