The Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) costs $0.0279/GB while the Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) costs $0.0472/GB. Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers 41% 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 Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) — Which Is Better Value?
Specification Comparison
| Spec | Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) | Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) |
|---|---|---|
| Brand | Seagate | Toshiba |
| Capacity | 20TB | 18TB |
| $/GB | $0.0279 | $0.0472 |
| Price | $559.00 | $849.99 |
| 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 $0.0279//GB compared to the Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) at $0.0472//GB — that's roughly 41% 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 Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) starts at $849.99 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 Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) 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 Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) 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 $0.0279//GB compared to Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) at $0.0472//GB. That is approximately 41% 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 Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) for the cheapest price?
The cheapest price for the Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) is $849.99 at Newegg, which works out to $0.0472/GB.