The Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) costs $0.0466/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. Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers 23% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) 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 | Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) | Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 20TB | 20TB |
| $/GB | $0.0466 | $0.0360 |
| Price | $930.99 | $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 Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0360//GB compared to the Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) at $0.0466//GB — that's roughly 23% less per gigabyte.
The best deal 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, while the Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) starts at $930.99 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 Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) 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 Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) or Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of July 2026, Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0360//GB compared to Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) at $0.0466//GB. That is approximately 23% better value per gigabyte.
What is the price per GB of Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)?
The Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400) is currently priced at $0.0466/GB ($930.99 for 20TB) 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.