The Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) costs $0.0335/GB while the MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA costs $0.0431/GB. Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) offers 22% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) vs MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA — Which Is Better Value?
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Specification Comparison
| Spec | Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) | MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA |
|---|---|---|
| Brand | Seagate | Toshiba |
| Capacity | 20 TB | 18TB |
| $/GB | $0.0335 | $0.0431 |
| Price | $669.99 | $775.03 |
| Retailer | Amazon | 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 IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) offers better value at $0.0335//GB compared to the MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA at $0.0431//GB — that's roughly 22% less per gigabyte.
The best deal for the Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) is $669.99 at Amazon, while the MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA starts at $775.03 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 IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) and MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) or MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA a better deal?
As of September 2026, Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) offers better value at $0.0335//GB compared to MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA at $0.0431//GB. That is approximately 22% better value per gigabyte.
What is the price per GB of Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)?
The Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) is currently priced at $0.0335/GB ($669.99 for 20 TB) at Amazon.
Where can I buy MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA for the cheapest price?
The cheapest price for the MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA is $775.03 at Newegg, which works out to $0.0431/GB.