The LaCie d2 Professional USB-C 20TB costs $0.0343/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. LaCie d2 Professional USB-C 20TB offers 5% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
LaCie d2 Professional USB-C 20TB vs Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
LaCie d2 Professional USB-C 20TB
Specification Comparison
| Spec | LaCie d2 Professional USB-C 20TB | Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | LaCie | Seagate |
| Capacity | 20TB | 20TB |
| $/GB | $0.0343 | $0.0360 |
| Price | $686.48 | $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 LaCie d2 Professional USB-C 20TB offers better value at $0.0343//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 5% less per gigabyte.
The best deal for the LaCie d2 Professional USB-C 20TB is $686.48 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 LaCie d2 Professional USB-C 20TB 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 LaCie d2 Professional USB-C 20TB or Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of June 2026, LaCie d2 Professional USB-C 20TB offers better value at $0.0343//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 5% better value per gigabyte.
What is the price per GB of LaCie d2 Professional USB-C 20TB?
The LaCie d2 Professional USB-C 20TB is currently priced at $0.0343/GB ($686.48 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.