The Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0360/GB while the LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black costs $0.0761/GB. Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers 53% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive vs LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black — Which Is Better Value?
Specification Comparison
| Spec | Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive | LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black |
|---|---|---|
| Brand | Seagate | LaCie |
| Capacity | 20TB | 20TB |
| $/GB | $0.0360 | $0.0761 |
| Price | $719.99 | $1521.51 |
| 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 LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black at $0.0761//GB — that's roughly 53% 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 LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black starts at $1521.51 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 ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive and LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive or LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black 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 LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black at $0.0761//GB. That is approximately 53% better value per gigabyte.
What is the price per GB of Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive?
The Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is currently priced at $0.0360/GB ($719.99 for 20TB) at Newegg.
Where can I buy LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black for the cheapest price?
The cheapest price for the LaCie 2big Dock 20TB USB 3.2 Gen 2 External Hard Drive Black is $1521.51 at Newegg, which works out to $0.0761/GB.