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Black rectangular 2.5 inch portable hard drive with integrated USB cable and keypad on top

Apricorn

Apricorn A25-3PL256-1000 1TB portable hard drive

SKU CH-02CM-E7Z6Q MPN A25-3PL256-1000

Hardware-encrypted 1 TB portable drive with 256-bit AES-XTS protection and USB 3.0 interface

  • Total capacity1 TB
  • Interface typeUSB 3.0
  • Form factor2.5 in (6.35 cm)
  • Rotational speed5,400 RPM
  • Product colorBlack
  • Key featuresMilitary Grade FIPS PUB 197 Validated Encryption Hardware En

Capacity 1TB

  • Hardware encryption protects data instantly
  • FIPS 197 validated 256-bit AES security
  • Integrated USB 3.0 cable simplifies connectivity
  • Compact 2.5 inch form fits anywhere
  • Lightweight 0.39 lb design aids portability

Secure Portable Storage

The Apricorn Aegis Padlock A25-3PL256-1000 is a 1TB portable hard drive with hardware-based 256-bit AES-XTS encryption. It targets users who must protect sensitive data on a drive that moves between locations without relying on software tools. The integrated keypad allows PIN entry before the drive mounts on any host system.

USB 3.0 Plug-and-Play Integration

The drive connects through a built-in USB 3.0 cable and draws power from the host port. A Y-auxiliary power cable is included for ports that cannot supply sufficient current. No drivers or administrator rights are required, so the drive works immediately on Windows, macOS and Linux platforms. The 2.5-inch form factor measures 4.7 by 3.3 by 0.75 inches and weighs 0.39 lbs.

Low-Power Mechanical Operation

A 5400 RPM spindle keeps heat and acoustic output modest during typical file transfers. The aluminium enclosure acts as a passive heatsink, so the drive remains comfortable to handle during extended use. Power consumption stays within standard USB limits for most ports, with the auxiliary cable available when needed.

How it compares

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

Price $166.99
Pricier than about 71% of the 365 comparable items (median $108.99).
Total capacity 1 TB
Lower than about 70% of the 239 comparable items (median 2 TB).
Price per TB $166.99 per TB
Pricier than about 90% of the 239 comparable items (median $51.50 per TB).

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Specifications

Product
Brand nameAPRICORN
Product lineAegis Padlock
Model nameA25-3PL256-1000
Total capacity1 TB
Product colorBlack
Performance
Rotational speed5,400 RPM
Ports & slots
Interface typeUSB 3.0
Size & build
Form factor2.5 in (6.35 cm)
Product dimensions4.7 in × 3.3 in × 0.75 in
Product weight0.39 lb (0.18 kg)
Shipping weight0.40 kg
Package size196 × 150 × 66 mm
In the box
In the boxAegis Padlock external hard drive with integrated USB 3.0 cable
Y-auxiliary power cable
Travel pouch
Quick Start Guide

Other versions of this model

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Questions about this item

How does the 5400 RPM spindle speed affect transfer rates during long copy jobs?

The 5400 RPM mechanism limits sustained throughput to typical mechanical-drive levels, so extended transfers will run at the drive's native sequential speed rather than the USB 3.0 interface maximum.

Does the hardware encryption add noticeable heat or fan noise during all-day operation?

The encryption engine is integrated into the controller and draws minimal extra power; the drive has no fan and runs at the same temperature and acoustic level as a standard 2.5-inch 5400 RPM portable drive.

What host port and cable are required to power and unlock the drive?

A USB 3.0 Type-A port supplies both power and data through the integrated cable; the included Y-auxiliary cable adds a second USB connector if a single port cannot deliver enough current.

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