The LaCie d2 Professional USB-C 20TB costs $0.0350/GB while the Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0490/GB. LaCie d2 Professional USB-C 20TB offers 29% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
LaCie d2 Professional USB-C 20TB vs Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB 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 BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | LaCie | Seagate |
| Capacity | 20TB | 20TB |
| $/GB | $0.0350 | $0.0490 |
| Price | $699.99 | $979.22 |
| 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 $0.0350//GB compared to the Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0490//GB — that's roughly 29% less per gigabyte.
The best deal for the LaCie d2 Professional USB-C 20TB is $699.99 at Newegg, while the Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive starts at $979.22 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 BarraCuda ST20000DM001 20TB 7200 RPM 512MB 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 BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of July 2026, LaCie d2 Professional USB-C 20TB offers better value at $0.0350//GB compared to Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0490//GB. That is approximately 29% 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 $0.0350/GB ($699.99 for 20TB) at Newegg.
Where can I buy Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive for the cheapest price?
The cheapest price for the Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $979.22 at Newegg, which works out to $0.0490/GB.