The Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB) costs $0.0546/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 44% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB) 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 | Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB) | Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 |
|---|---|---|
| Brand | Apricorn | Seagate |
| Capacity | 18TB | 16 TB |
| $/GB | $0.0546 | $0.0303 |
| Price | $982.99 | $485.09 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB)
Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400
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 Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB) at $0.0546//GB — that's roughly 44% 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 Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB) starts at $982.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB) 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 Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB) 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 Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB) at $0.0546//GB. That is approximately 44% better value per gigabyte.
What is the price per GB of Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB)?
The Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB) is currently priced at $0.0546/GB ($982.99 for 18TB) 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.