The LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive Black costs $0.0447/GB while the Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 costs $0.0303/GB. Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers 32% 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 16TB USB 3.1 Gen 2 External Hard Drive Black vs Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 — Which Is Better Value?
Specification Comparison
| Spec | LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive Black | Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 |
|---|---|---|
| Brand | LaCie | Seagate |
| Capacity | 16TB | 16 TB |
| $/GB | $0.0447 | $0.0303 |
| Price | $715.45 | $485.09 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers better value at $0.0303//GB compared to the LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive Black at $0.0447//GB — that's roughly 32% less per gigabyte.
The best deal for the Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 is $485.09 at Amazon, while the LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive Black starts at $715.45 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 16TB USB 3.1 Gen 2 External Hard Drive Black and Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 product page for detailed specifications and price history.
Frequently Asked Questions
Is LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive Black or Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 a better deal?
As of July 2026, Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers better value at $0.0303//GB compared to LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive Black at $0.0447//GB. That is approximately 32% better value per gigabyte.
What is the price per GB of LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive Black?
The LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive Black is currently priced at $0.0447/GB ($715.45 for 16TB) at Newegg.
Where can I buy Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 for the cheapest price?
The cheapest price for the Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 is $485.09 at Amazon, which works out to $0.0303/GB.