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- 16%
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]
Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]

Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]

$491.95

(3,327 reviews)

The Seagate Expansion desktop drive provides extra storage for your ever-growing collection of files. Instantly add space for more files, consolidate all of your files to a single location, or free up space on your computer's internal drive to help improve performance. Setup is straightforward; simply plug in the included power supply and USB cable, and you are ready to go. It is automatically recognized by the Windows or Mac operating system, so there is no software to install and nothing to configure. Saving files is easy too - just drag-and-drop. Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port.

The Seagate Expansion desktop drive provides extra storage for your ever-growing collection of files. Instantly add space for more files, consolidate all of your files to a single location, or free up space on your computer's internal drive to help improve performance. Setup is straightforward; simply plug in the included power supply and USB cable, and you are ready to go. It is automatically recognized by the Windows or Mac operating system, so there is no software to install and nothing to configure. Saving files is easy too - just drag-and-drop. Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port.

Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400]

(3,327 reviews)

The Seagate Expansion desktop drive provides extra storage for your ever-growing collection of files. Instantly add space for more files, consolidate all of your files to a single location, or free up space on your computer's internal drive to help improve performance. Setup is straightforward; simply plug in the included power supply and USB cable, and you are ready to go. It is automatically recognized by the Windows or Mac operating system, so there is no software to install and nothing to configure. Saving files is easy too - just drag-and-drop. Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port.

The Seagate Expansion desktop drive provides extra storage for your ever-growing collection of files. Instantly add space for more files, consolidate all of your files to a single location, or free up space on your computer's internal drive to help improve performance. Setup is straightforward; simply plug in the included power supply and USB cable, and you are ready to go. It is automatically recognized by the Windows or Mac operating system, so there is no software to install and nothing to configure. Saving files is easy too - just drag-and-drop. Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port.

$491.95 - $858.86

in 9 offers

The lowest price for Seagate Expansion 12TB 3.5" External Hard Drive - Black [STKP12000400] right now is $491.95 at Mwave Australia, compared across 7 retailers.

The all-time low was $187.59 on 25 Nov 2025 — today's price is 162% 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 06:08:52

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

$505.87

Seagate 12TB Expansion Desktop Hard Drive

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!

Amazon.com.au

$858.86

Seagate Expansion 12TB USB3.0 External Hard Drive - 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!

Mwave Australia

$491.95

Seagate Expansion Desktop 3.5" 12TB External USB 3.0 Hard Drive - Black

Techinn.com

$541.99

Seagate Stkp12000400 External Hdd Black

Delivery $48.99

Device Deal

$636.84

"Seagate 12TB Black STKP12000400 Expansion Desktop 3.5"External USB 3.0 Hard Drive"

Delivery $12.99

eBay.com.au

$663.69

Seagate Expansion 12TB,3.5 inch Desktop External HDD - STKP12000400

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!

Computers & Parts Land

$699.00

Seagate STKP12000400 12TB EXPANSION Desktop USB 3.0 External Hard Drive

Delivery between 11–16 June $14.50

Desertcart.ae

$818.00

Expansion 12TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP12000400)

Free delivery between 17–23 June

Desertcart.ae

$818.77

Expansion STKP12000400 12 TB Portable Hard Drive - External - Black

Free delivery between 17–23 June

Price history

Price history

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

Reviews

Going Grey Waiting
10 February 2022Gonegreywaiting

originally posted on jbhifi.com.au

Slow slow slow. The drive is super slow to read and write file to the drive. Dissapointed.

Working as expected.
7 January 2022Lbucci

originally posted on jbhifi.com.au

Quitter than the NAS, in fact it’s very quite. Good size case and so far so good. Sturdy case

Specification

General
Device TypeHard drive - external (desktop)
Capacity12 TB
InterfaceUSB 3.0
Width41.9 mm

Price comparison

Updated about 6 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$505.87

Out of stock

Seagate 12TB Expansion Desktop Hard Drive

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!

Amazon.com.au

$858.86

Seagate Expansion 12TB USB3.0 External Hard Drive - 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!

Mwave Australia

$491.95

Out of stock

Seagate Expansion Desktop 3.5" 12TB External USB 3.0 Hard Drive - Black

Techinn.com

$541.99

Seagate Stkp12000400 External Hdd Black

Delivery $48.99

Device Deal

$636.84

Out of stock

"Seagate 12TB Black STKP12000400 Expansion Desktop 3.5"External USB 3.0 Hard Drive"

Delivery $12.99

Price history

Price history

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

Reviews

Going Grey Waiting
10 February 2022

Slow slow slow. The drive is super slow to read and write file to the drive. Dissapointed.

Gonegreywaiting originally posted on jbhifi.com.au
Working as expected.
7 January 2022

Quitter than the NAS, in fact it’s very quite. Good size case and so far so good. Sturdy case

Lbucci originally posted on jbhifi.com.au

Specification

General
Device TypeHard drive - external (desktop)
Capacity12 TB
InterfaceUSB 3.0
Width41.9 mm

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