The Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB costs $0.0532/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 $0.0305/GB. Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers 43% 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 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB 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 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB | 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 | $0.0532 | $0.0305 |
| Price | $957.99 | $487.28 |
| 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 $0.0305//GB compared to the Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB at $0.0532//GB — that's roughly 43% 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 $487.28 at Amazon, while the Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB starts at $957.99 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 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB 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 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB 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 $0.0305//GB compared to Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB at $0.0532//GB. That is approximately 43% better value per gigabyte.
What is the price per GB of Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB?
The Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB is currently priced at $0.0532/GB ($957.99 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 $487.28 at Amazon, which works out to $0.0305/GB.