The Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) costs $0.0374/GB while the Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) costs $0.0472/GB. Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) offers 21% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) vs Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) — Which Is Better Value?
Specification Comparison
| Spec | Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) | Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) |
|---|---|---|
| Brand | Seagate | Toshiba |
| Capacity | 18TB | 18TB |
| $/GB | $0.0374 | $0.0472 |
| Price | $672.99 | $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 X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) offers better value at $0.0374//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 21% less per gigabyte.
The best deal for the Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) is $672.99 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 X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) 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 X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) or Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) a better deal?
As of July 2026, Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) offers better value at $0.0374//GB compared to Toshiba 258014 Hd Mg09aca18te 18tb 3.5 Sata 6gb S 7200rpm 512mib Bare (MG09ACA18TE) at $0.0472//GB. That is approximately 21% better value per gigabyte.
What is the price per GB of Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D)?
The Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) is currently priced at $0.0374/GB ($672.99 for 18TB) 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.