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Apricorn 500GB Aegis Padlock USB 3.0 256-bit AES XTS Hardware Encrypted Portable External Hard Drive (A25-3PL256-500)
Apricorn

500GB Aegis Padlock USB 3.0 256-bit AES XTS Hardware Encrypted Portable External Hard Drive (A25-3PL256-500)

By SpecPicks Editorial · Verified 2026-07-07

$153.88
Buy on Amazon — $153.88 Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.

Bottom line: The 500GB Aegis Padlock USB 3.0 256-bit AES XTS Hardware Encrypted Portable External Hard Drive (A25-3PL256-500) is a niche pick — read recent reviews before buying in the external storage category, priced around $153.88. Read recent reviews carefully before committing.

Looking for an effortless way to secure your data while taking advantage of the fastest USB 3.0 speeds? Look no further than the Aegis Padlock 3.0. Featuring your choice of AES-XTS 128-bit or 256-bit hardware encryption the Aegis Padlock 3.0 seamlessly encrypts all data on the drive in real-time, keeping your data safe even if the hard drive is removed from its enclosure. With a super speed USB 3.0 interface, you can now access your files faster than ever before. The Aegis Padlock 3.0 is also backwards compatible with USB 2.0 and 1.1 ports. With no software installation required for setup or…

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SpecPicks Verdict

SpecPicks classifies Apricorn 500GB Aegis Padlock USB 3.0 256-bit AES XTS Hardware… as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Apricorn's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Utilizes Military Grade FIPS PUB 197 Validated Encryption Algorithm
  • ✓ Backed by Apricorn's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • Utilizes Military Grade FIPS PUB 197 Validated Encryption Algorithm
  • Super fast USB 3.0 Connection - Data transfer speeds up to 10X faster than USB 2.0
  • Software Free Design - With no admin rights needed
  • Sealed from Physical Attacks by Tough Epoxy Coating
  • Brute Force Self Destruct Feature
  • Wear Resistant Key Pad

Full Specifications

BrandApricorn
ColorMulticolor
Model NamePadlock
Read Speed600 Megabytes Per Second
Unit Count1.0 Count
Form Factor2.5-inch
Media Speed600 MB/s
ConnectivityUSB
Model NumberA25-3PL256-500
Built-In Mediaunit
Hard-Drive Size500 GB
Mfr Part NumberA25-3PL256-500
Number of Items1
Special FeaturePortable

Ready to buy?

Apricorn 500GB Aegis Padlock USB 3.0 256-bit AES XTS Hardware Encrypted Portable External Hard Drive (A25-3PL256-500) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.

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Apricorn 500GB Aegis Padlock USB 3.0 256-bit AES XTS Hardware Encrypted Portable External Hard Drive (A25-3PL256-500)
$153.88
View on Amazon →