The Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB costs $0.0550/GB while the Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray costs $0.0325/GB. Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray offers 41% better value per gigabyte as of August 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 - Seagate One Touch Desktop HDD 20 TB - Space Gray — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB | Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray |
|---|---|---|
| Brand | Apricorn | Seagate |
| Capacity | 18TB | 20 TB |
| $/GB | $0.0550 | $0.0325 |
| Price | $989.99 | $649.99 |
| Retailer | Newegg | Best Buy |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray offers better value at $0.0325//GB compared to the Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB at $0.0550//GB — that's roughly 41% less per gigabyte.
The best deal for the Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray is $649.99 at Best Buy, while the Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB starts at $989.99 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 - Seagate One Touch Desktop HDD 20 TB - Space Gray 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 - Seagate One Touch Desktop HDD 20 TB - Space Gray a better deal?
As of August 2026, Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray offers better value at $0.0325//GB compared to Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB at $0.0550//GB. That is approximately 41% 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 $0.0550/GB ($989.99 for 18TB) at Newegg.
Where can I buy Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray for the cheapest price?
The cheapest price for the Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray is $649.99 at Best Buy, which works out to $0.0325/GB.