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Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400
Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400

Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400

$192.99

(45,261 reviews)

Store and access photos and files on the go with Seagate One Touch HDD. Featuring quick plug-and-play USB 3.0 connectivity to Windows or Mac, consolidate files with a single click or schedule automatic daily, weekly or monthly backups. Plus — edit, manage, and share photos with a one-year complimentary subscription to Mylio Create and a four-month membership to Adobe Creative Cloud photography plan. High Capacity. Stellar Style. Refined and understated. Cosy and textured. One Touch comes in an array of styles and capacities made to compliment your signature look. And whether you’re storing yearly tax documents or ever-growing collections of high-res photos, capacity won’t be an issue. Convenient Backup With One Touch HDD, schedule automatic hourly, daily, weekly, or monthly backups to keep all your files consolidated into one place. Advance Data Encryption Need a hard drive that goes above and beyond the call of duty? Opt for One Touch HDD with data security. Thanks to its password protection and AES-256 hardware encryption — the same standard used by the U.S. government and global intelligence agencies — you can rest easy knowing your digital life is secure.

Store and access photos and files on the go with Seagate One Touch HDD. Featuring quick plug-and-play USB 3.0 connectivity to Windows or Mac, consolidate files with a single click or schedule automatic daily, weekly or monthly backups. Plus — edit, manage, and share photos with a one-year complimentary subscription to Mylio Create and a four-month membership to Adobe Creative Cloud photography plan. High Capacity. Stellar Style. Refined and understated. Cosy and textured. One Touch comes in an array of styles and capacities made to compliment your signature look. And whether you’re storing yearly tax documents or ever-growing collections of high-res photos, capacity won’t be an issue. Convenient Backup With One Touch HDD, schedule automatic hourly, daily, weekly, or monthly backups to keep all your files consolidated into one place. Advance Data Encryption Need a hard drive that goes above and beyond the call of duty? Opt for One Touch HDD with data security. Thanks to its password protection and AES-256 hardware encryption — the same standard used by the U.S. government and global intelligence agencies — you can rest easy knowing your digital life is secure.

Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400

(45,261 reviews)

Store and access photos and files on the go with Seagate One Touch HDD. Featuring quick plug-and-play USB 3.0 connectivity to Windows or Mac, consolidate files with a single click or schedule automatic daily, weekly or monthly backups. Plus — edit, manage, and share photos with a one-year complimentary subscription to Mylio Create and a four-month membership to Adobe Creative Cloud photography plan. High Capacity. Stellar Style. Refined and understated. Cosy and textured. One Touch comes in an array of styles and capacities made to compliment your signature look. And whether you’re storing yearly tax documents or ever-growing collections of high-res photos, capacity won’t be an issue. Convenient Backup With One Touch HDD, schedule automatic hourly, daily, weekly, or monthly backups to keep all your files consolidated into one place. Advance Data Encryption Need a hard drive that goes above and beyond the call of duty? Opt for One Touch HDD with data security. Thanks to its password protection and AES-256 hardware encryption — the same standard used by the U.S. government and global intelligence agencies — you can rest easy knowing your digital life is secure.

Store and access photos and files on the go with Seagate One Touch HDD. Featuring quick plug-and-play USB 3.0 connectivity to Windows or Mac, consolidate files with a single click or schedule automatic daily, weekly or monthly backups. Plus — edit, manage, and share photos with a one-year complimentary subscription to Mylio Create and a four-month membership to Adobe Creative Cloud photography plan. High Capacity. Stellar Style. Refined and understated. Cosy and textured. One Touch comes in an array of styles and capacities made to compliment your signature look. And whether you’re storing yearly tax documents or ever-growing collections of high-res photos, capacity won’t be an issue. Convenient Backup With One Touch HDD, schedule automatic hourly, daily, weekly, or monthly backups to keep all your files consolidated into one place. Advance Data Encryption Need a hard drive that goes above and beyond the call of duty? Opt for One Touch HDD with data security. Thanks to its password protection and AES-256 hardware encryption — the same standard used by the U.S. government and global intelligence agencies — you can rest easy knowing your digital life is secure.

$192.99 - $389.00

in 34 offers

The lowest price for Seagate One Touch 4TB Portable Hard Drive - Black STKZ4000400 right now is $192.99 at eBay.com.au, compared across 13 retailers.

The all-time low was $103.51 on 8 July 2025 — today's price is 86% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 9 June 2026.

Price comparison

Price data powered by pricesAPI.io

Last updated at 09/06/2026 19:23:58

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$227.00

Seagate STKZ4000400 4TB One Touch External Hard Disk Drive with Password, Black

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$192.99

Seagate One Touch Portable External Hard Disk Drive With Data Recovery

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$265.00

Seagate One Touch Portable 4tb Hard Drive (grey)

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$267.00

Seagate One Touch 4tb Portable Hard Drive - Black Stkz4000400

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$279.00

Seagate 5tb 4tb 2tb 1tb Expansion Portable 2.5" Hdd External Hard

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$385.00

Seagate Stkz4000404 - One Touch 4tb External Hard Drive With 3 Yr Data

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$389.00

Seagate One Touch 2.5" 4tb External Usb3.0 Hard Drive Space Grey

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Kogan.com

$224.00

4TB Seagate One Touch Portable USB 3.0 HDD with Password Protection Black

Delivery $17.99

Kogan.com

$244.00

4TB Seagate One Touch Portable USB 3.0 HDD with Password Protection Space Gray

Delivery $17.99

Kogan.com

$319.73

Seagate One Touch 4TB Portable External HDD - Space Grey with Rescue Data

Delivery $10

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

1 December 2022

originally posted on pbtech.co.nz

Bought it during the Black Friday sale. Good value for money purchase, easy to setup and of course 4TB of storage!

12 July 2022CameronG3

originally posted on pbtech.co.nz

First time I have purchased a portable Hdd of this size. I have been pleased with it's performanceand how quiet it is. Have used it to store emulator files and arcade builds with some large filesizes. All good so far. Reasonably quick and quiet and that's all I was looking for.

12 January 2023RolandH

originally posted on pbtech.co.nz

I am happy with the performance of the Seagate 4TB USB drive so far; it runs quiet, is reasonably fast, doesn't get too hot under heavy use, and fits nicely behind the laptop.The price was right too.It complements and replaces a 6 year old LaCie 5TB USB drive that is still going, but was getting a bit noisy, indicating that the bearings bight be on their way out.

Specification

General
Device TypeHard drive - external (portable)
Capacity4 TB
InterfaceUSB 3.0
FeaturesPassword authentication

Price comparison

Updated about 14 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$227.00

Seagate STKZ4000400 4TB One Touch External Hard Disk Drive with Password, Black

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$192.99

Seagate One Touch Portable External Hard Disk Drive With Data Recovery

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$265.00

Seagate One Touch Portable 4tb Hard Drive (grey)

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$267.00

Seagate One Touch 4tb Portable Hard Drive - Black Stkz4000400

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$279.00

Seagate 5tb 4tb 2tb 1tb Expansion Portable 2.5" Hdd External Hard

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

1 December 2022

Bought it during the Black Friday sale. Good value for money purchase, easy to setup and of course 4TB of storage!

originally posted on pbtech.co.nz
12 July 2022

First time I have purchased a portable Hdd of this size. I have been pleased with it's performanceand how quiet it is. Have used it to store emulator files and arcade builds with some large filesizes. All good so far. Reasonably quick and quiet and that's all I was looking for.

CameronG3 originally posted on pbtech.co.nz
12 January 2023

I am happy with the performance of the Seagate 4TB USB drive so far; it runs quiet, is reasonably fast, doesn't get too hot under heavy use, and fits nicely behind the laptop.The price was right too.It complements and replaces a 6 year old LaCie 5TB USB drive that is still going, but was getting a bit noisy, indicating that the bearings bight be on their way out.

RolandH originally posted on pbtech.co.nz
26 November 2021

The 2TB portable that I used as my XBox One X external HDD failed. So looked around for a replacement and found this 4TB portable at PBTech for a good price (not on sale but it did go a bit cheaper when it went on sale a couple of weeks later). The product has good external reviews so decided to buy it. It's working well so far; runs silent and cool and takes very little space on my desk. PBTech as always was fast with processing the order and pickup was easy and quick! :)

TeongQ3 originally posted on pbtech.co.nz
Unrecognised Drive
7 May 2022

Worked OK until it didn't. Unable to access drive post unlocking. Went through troubleshooting and everything is fine until password (correctly) entered. Drive in disk management is marked as online but returns parameter error. Lost 2 years of work as the only solution Seagate has is to reformat drive. Found out colleague has exact same problem. Buy only if you don't care about your data.

Data Loss originally posted on officeworks.com.au
no longer powering on
10 June 2022

I purchased this hard drive to store all of my family files. With minimal use, it suddenly (18 months later) has ceased working. Won't power on at all even with another power supply to test it. I now have to source options to have the unit disassembled in an attempt to access the files. Waste of money. Will not buy Seagate again.

simon originally posted on officeworks.com.au

Specification

General
Device TypeHard drive - external (portable)
Capacity4 TB
InterfaceUSB 3.0
FeaturesPassword authentication

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