The MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA costs $0.0287/GB while the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0360/GB. MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA offers 20% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA vs Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA | Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Toshiba | Seagate |
| Capacity | 18TB | 20TB |
| $/GB | $0.0287 | $0.0360 |
| Price | $516.41 | $719.99 |
| 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 MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA offers better value at $0.0287//GB compared to the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0360//GB — that's roughly 20% less per gigabyte.
The best deal for the MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA is $516.41 at Newegg, while the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive starts at $719.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA and Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA or Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of August 2026, MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA offers better value at $0.0287//GB compared to Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0360//GB. That is approximately 20% better value per gigabyte.
What is the price per GB of MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA?
The MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA is currently priced at $0.0287/GB ($516.41 for 18TB) at Newegg.
Where can I buy Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive for the cheapest price?
The cheapest price for the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $719.99 at Newegg, which works out to $0.0360/GB.