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Seagate Backup Plus 4TB Portable USB 3.0 Hard Drive — main product image
Seagate Backup Plus 4TB Portable USB 3.0 Hard Drive
Seagate Backup Plus 4TB Portable USB 3.0 Hard Drive
Seagate Backup Plus 4TB Portable USB 3.0 Hard Drive
Seagate

Seagate Backup Plus 4TB Portable USB 3.0 Hard Drive

★★★★★4.2 (55 reviews)
USB 3.0

Store up to 4TB of files, photos, and backups on a slim, USB-powered portable drive that works with PC and Mac.

$90.31*$129.50Save 30%
✓ In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Seagate Backup Plus 4TB Portable Hard Drive provides a straightforward solution for backing up files, storing media, and carrying large amounts of data between computers. With 4TB of capacity, it can hold extensive photo libraries, video collections, music, documents, and full system backups without worrying about running out of space. The USB 3.0 interface ensures reasonably fast file transfers, and backward compatibility with USB 2.0 means it will work with older computers as well, albeit at reduced speeds.

Measuring just 114.5 x 76 x 20.35 mm, the Backup Plus maintains a slim profile despite its large capacity, and its USB-powered design means you only need a single cable to connect and start transferring files. The drive works with both PC and Mac systems, making it a versatile option for users who work across platforms. Whether you need a reliable destination for automated backups or a portable drive to carry projects between locations, the Backup Plus 4TB delivers high capacity in a compact, no-fuss package.

Key Features

This Amazon Renewed product is professionally inspected and tested by an Amazon qualified supplier. Box and accessories may be generic.

Create easy customized backup plans with included Seagate software

Quick file transfer with USB 3.0 connectivity

USB powered -no power supply necessary.Dimensions(L x W x H mm)-114,5 x 76 x 20,35 mm

Works interchangeably on PC and Mac computers—without needing to reformat

Specifications

Capacity
4TB
Interface
USB 3.0
Dimensions
114.5 x 76 x 20.35 mm
Power
USB Powered
Compatibility
PC and Mac

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Pros & Cons

👍 Pros

  • 4TB capacity provides ample space for large file collections, backups, and media libraries
  • USB-powered design eliminates the need for a separate power adapter
  • Compact and lightweight form factor makes it easy to carry and store
  • USB 3.0 interface delivers fast file transfer speeds

👎 Cons

  • As a portable mechanical hard drive, it is more susceptible to damage from drops and impacts than an SSD
  • The slim form factor at 4TB may generate noticeable warmth during extended file transfers
  • No built-in hardware encryption for protecting sensitive data on the drive
  • Transfer speeds will be limited by the mechanical drive inside compared to external SSDs

Frequently Asked Questions

Yes, the Backup Plus is compatible with both PC and Mac. It may come formatted for one platform, but can be reformatted or used with included software to work with both.
No, the Seagate Backup Plus 4TB is USB-powered, drawing all the power it needs from the USB 3.0 connection to your computer. No separate power cable is needed.
Yes, the drive is backward compatible with USB 2.0 ports, though transfer speeds will be significantly slower compared to using a USB 3.0 connection.
The drive measures 114.5 x 76 x 20.35 mm, making it compact enough to slip into a bag or pocket for easy portability.

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