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Seagate 4TB Expansion Portable Hard Drive

STKM4000400
$249
+ Delivery from $3
buy now, pay laterin 4 payments of $62.25in 4 payments of $62.25
± Click the icons above as terms, conditions & fees apply

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Seagate 4TB Expansion Portable Hard Drive STKM4000400
796895
796920
796919
797120
796921
797126
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Seagate 4TB Expansion Portable Hard Drive STKM4000400
796895
796920
796919
797120
796921
797126
797138
Online Only
INSTANT DEAL

Get $40 off when you spend $300-$399.99 or $60 off when you spend over $400 on a Huge Range~~

In Store & Online. Use Promo Code DEAL in cart.
~~Ends 11.59pm AEDT 22/03/26. Excludes products marked special order, sold out, unavailable, coming soon and shipped by “supplier”, all Pre-orders, Apple, Boost, Belong, Telstra Plans, digital vouchers, gaming credits and streaming services, Gift Cards, Gaming Consoles, Gaming Accessories & VR Headsets, Services, Gold Service Extras, Installation & Delivery. For online purchases, excludes products marked as in store only. You must spend over the eligible amounts on eligible products excluding delivery in a single transaction to use the Code. Eligible amounts are calculated after any other applicable discounts have been applied. Code can be used in store, over the phone, via online chat. Code cannot be used on commercial orders. Code must be applied in cart to receive the discount for online purchases. For instore and over the phone purchases, discount will be applied at point of sale. Offer applies to the current ticketed price of relevant products. As prices change regularly and we frequently run sales and negotiate on price, some products are likely to have been sold below the current price prior to this offer. Prices may change after offer ends.

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Product Overview

Take your digital world with you wherever you go with the Seagate 4TB Expansion Portable Hard Drive. This portable external hard drive comes in a sleek, matte black casing and provides a sizable 4TB of storage capacity, giving you ample space for storing photos, music, videos, documents and more. The plug-and-play functionality allows you to connect the hard drive to your Windows or Mac computer via the included USB 3.0 cable and start transferring files immediately without having to install any software. At just 119mm x 80mm, the drive is slim and lightweight enough to slip into your bag or pocket for true on-the-go capability. With transfer speeds up to 5GB/s via USB 3.0, you can quickly move large files, and the drive is backwards compatible with USB 2.0 ports. Enjoy long-term peace of mind with the included 3 year Rescue Data Recovery Services and 3 year manufacturer's warranty. The manufacturer's part number for this product is STKM4000400. Take control of your storage needs with the portable, high-capacity Seagate Expansion drive.

Key Features

  • 4TB portable hard drive with USB 3.0 connection
  • USB 3.0 interface for fast data transfers
  • Works with Windows, macOS and Chrome OS systems
  • Lightweight design with Rescue Data Recovery Services
INSTANT DEAL

Get $40 off when you spend $300-$399.99 or $60 off when you spend over $400 on a Huge Range~~

In Store & Online. Use Promo Code DEAL in cart.
~~Ends 11.59pm AEDT 22/03/26. Excludes products marked special order, sold out, unavailable, coming soon and shipped by “supplier”, all Pre-orders, Apple, Boost, Belong, Telstra Plans, digital vouchers, gaming credits and streaming services, Gift Cards, Gaming Consoles, Gaming Accessories & VR Headsets, Services, Gold Service Extras, Installation & Delivery. For online purchases, excludes products marked as in store only. You must spend over the eligible amounts on eligible products excluding delivery in a single transaction to use the Code. Eligible amounts are calculated after any other applicable discounts have been applied. Code can be used in store, over the phone, via online chat. Code cannot be used on commercial orders. Code must be applied in cart to receive the discount for online purchases. For instore and over the phone purchases, discount will be applied at point of sale. Offer applies to the current ticketed price of relevant products. As prices change regularly and we frequently run sales and negotiate on price, some products are likely to have been sold below the current price prior to this offer. Prices may change after offer ends.

Key Specifications

Brand:
Seagate
Model Number:
STKM4000400
Storage Capacity:
4TB
Connections:
USB 3.0
Type:
Portable Hard Drive

General Information

Colour:
Black
System Requirements:
Windows, macOS and Chrome OS systems
What's In The Box:
Seagate® Expansion portable hard drive, 18 inch (46 cm) USB 3.0 cable, Quick Start Guide, Limited Warranty: AMER - 1 year, EMEA - 2 years, APAC - 3 years, Rescue Data Recovery Services

Warranty

Manufacturer's Warranty:
3 Year

General Information

Colour:
Black
System Requirements:
Windows, macOS and Chrome OS systems
What's In The Box:
Seagate® Expansion portable hard drive, 18 inch (46 cm) USB 3.0 cable, Quick Start Guide, Limited Warranty: AMER - 1 year, EMEA - 2 years, APAC - 3 years, Rescue Data Recovery Services

Product Dimensions

Product Height (mm):
115.3
Product Width (mm):
80
Product Depth (mm):
20.9
Product Weight (kg):
0.257

Box Dimensions

Box Height (mm):
21
Box Width (mm):
8
Box Depth (mm):
115
Box Weight (kg):
0

Product Reviews of Seagate 4TB Expansion Portable Hard Drive

Seagate 4TB Expansion Portable Hard Drive STKM4000400

Overall Rating Snapshot

4.8 stars

4.8 out of 5 stars from 20 reviews

100% of users recommend this product

3
0
2
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  • 5 out of 5

    Got a Great product at great price

    Good one

    Musi

    Confirmed purchase 7 February 2026

    Published on 3 March 2026

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Seagate 4TB portable HD

    Using it to backup all my videos and photos, so far it hasn't missed a beat, it's replacing my other older smaller HDs and consolidating them onto one.

    Ron

    Confirmed purchase 26 November 2025

    Published on 1 January 2026

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    loving it

    it has allowed me to free up so much space on my PC

    Maibritt

    Confirmed purchase 18 October 2025

    Published on 12 November 2025

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    not as large

    I was very surprised when I picked up my new hard drive. It was half the size and weight of the previous ones I've purchased. Much easier to store .

    ROBYN

    Confirmed purchase 30 September 2025

    Published on 24 October 2025

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Seagate 4TB Expansion Portable Hard Drive

    Great reliable product. Offers peace of mind for secure long term storage of photos and important documents.

    Helen Allison

    Confirmed purchase 2 September 2025

    Published on 24 September 2025

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Back up storage - foolproof

    Fantastic to back up all of my photos and music collection

    Adriam

    Confirmed purchase 14 July 2025

    Published on 6 August 2025

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 4 out of 5

    Awesome Features

    This expansion drive is everything that it is made out to be. While having the capacity to store all our files it is fast and easy to use. Would definitely purchase another.

    HB

    Confirmed purchase 13 June 2025

    Published on 10 July 2025

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Fantastic Hard Drive

    This hard drive is fantastic, plenty of space to hold many photos and videos. Works extremely well and quick. Very handy to store due to its size. Great value for money and would highly recommend.

    Maxine

    Confirmed purchase 10 October 2024

    Published on 8 November 2024

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Great unit easy to use

    Compact and easy to use

    Rob

    Confirmed purchase 19 September 2024

    Published on 16 October 2024

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 4 out of 5

    Anonymous

    Confirmed purchase 19 August 2023

    Published on 9 September 2023

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

You've viewed 10 of 20 reviews

ABOUT THE GOOD GUYS REVIEWS

The Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.

What is the storage capacity of the Seagate 4TB Expansion Portable Hard Drive?

The storage capacity of the Seagate 4TB Expansion Portable Hard Drive is 4TB.

Which operating systems are compatible with the Seagate 4TB Expansion Portable Hard Drive?

The Seagate 4TB Expansion Portable Hard Drive works with Windows, macOS, and Chrome OS systems.

How fast are the data transfer speeds on the Seagate 4TB Expansion Portable Hard Drive?

The Seagate 4TB Expansion Portable Hard Drive offers transfer speeds up to 5GB/s via USB 3.0.

What are the dimensions of the Seagate 4TB Expansion Portable Hard Drive?

Height 115.3mm, Width 80mm, Depth 20.9mm.

What is included in the box with the Seagate 4TB Expansion Portable Hard Drive?

The box includes the Seagate Expansion portable hard drive, an 18 inch (46 cm) USB 3.0 cable, and a Quick Start Guide.

¤Discounts apply to previous ticketed/advertised price prior to the discount offer. As we negotiate, products will likely have been sold below ticketed/advertised price prior to the discount offer.

▽The Good Guys acts as agent for the supplier of this product. Refer to Agency supplier’s T&Cs available on supplier’s website. Discounts apply to Agency supplier’s list price of the relevant product.

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