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Rugged black rectangular SSD with integrated USB cable and keypad on top

Apricorn

Apricorn Aegis Padlock 512 GB portable SSD A25-3PL256-S512

SKU CH-TAKX-FRD7K MPN A25-3PL256-S512

A hardware-encrypted portable SSD with 512 GB capacity, USB 3.0 interface and integrated cable delivering up to 160 MB/s read and 145 MB/s write speeds

  • Total capacity512 GB
  • Interface typeUSB 3.0
  • Included itemsAegis Padlock 3.0 Solid State Drive with Integrated USB 3.0
  • Hardware PIN keeps data private without software
  • 512 GB capacity stores large project files
  • USB 3.0 interface delivers 160 MB/s read speed
  • 145 MB/s write speed accelerates file transfers
  • Rugged design with travel pouch protects drive on the move

Hardware-encrypted 512 GB USB 3.0 SSD

The Apricorn Aegis Padlock is a 512 GB external solid-state drive that connects through an integrated USB 3.0 cable. It delivers sequential reads up to 160 MB/s and writes up to 145 MB/s with an 8 MB cache buffer. A built-in keypad provides PIN-code hardware encryption without requiring software installation. The package includes a Y-auxiliary power cable, travel pouch and quick-start guide.

For users who need hardware encryption on the move

This drive suits professionals who must protect confidential files while travelling between workstations. The keypad unlocks the drive before the OS loads, so it works on any device with a USB port. Buyers who want higher throughput for large media workloads should look at faster interfaces. Users who prefer software-only encryption or do not need a physical keypad may find simpler alternatives.

Keypad PIN unlock before OS boot

The defining specification is the on-drive keypad that authenticates the user before the operating system starts. This hardware-based approach encrypts every sector without host software and works across Windows, macOS and Linux. If your workflow requires this pre-boot unlock method, the Aegis Padlock matches the requirement; otherwise a standard USB 3.0 SSD without a keypad may be more appropriate.

How it compares

Measured against everything we stock in Portable USB SSDs, at today’s prices. Recalculated every night.

Price $290.99
Pricier than about 69% of the 410 comparable items (median $202.99).
Total capacity 512 GB
Lower than about 90% of the 311 comparable items (median 1 TB).
Price per TB $568.34 per TB
Pricier than about 97% of the 310 comparable items (median $142.00 per TB).

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Specifications

Product
Brand nameApricorn
Model nameAegis Padlock 512 GB
Part numberA25-3PL256-S512
Total capacity512 GB
Ports & slots
Interface typeUSB 3.0
Size & build
Shipping weight0.23 kg
Package size203 × 152 × 51 mm
In the box
Included itemsAegis Padlock 3.0 Solid State Drive with Integrated USB 3.0 Cable
Y-auxiliary Power Cable
Travel Pouch
Quick Start Guide

Questions about this item

Does the integrated USB 3.0 cable need a separate port or can it run from a single USB socket?

The drive ships with an integrated USB 3.0 cable and a Y-auxiliary power cable; plug both USB ends into the host if one port cannot supply enough current.

What is the first step to unlock the hardware PIN pad before the operating system sees the 512 GB volume?

Enter your 7–16 digit admin PIN on the built-in keypad while the drive is powered, then press the unlock key; the volume appears only after successful authentication.

Is there a battery or filter inside the Aegis Padlock that will need replacement after a few years?

No internal battery or user-serviceable filter is present; the keypad draws power directly from the USB bus and the solid-state memory requires no scheduled maintenance.

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