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Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]
Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]

Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]

$113.24

(3,936 reviews)

Portable hard drive expansion by Seagate, additional storage for your PCThe portable hard disk expansion by Seagate is compact and is perfectly suitable for traveling. Add more storage space to your PC or Mac immediately and take large files with you while traveling. Setup is simple and effortless. All you need to do is connect the USB cable. The hard disk is supplied with power via the USB cable. No external power supply is required. The hard drive is also automatically recognized by the Windows or Mac operating system, so no software needs to be installed or configured. The files can be saved easily via drag-and-drop. Use the fast data transfer with USB 3.0 by using a USB 3.0 port. Also included in the purchase of Seagate Expansion for additional security Rescue Data Recovery Services for data recoveryThis text is machine translated.

Portable hard drive expansion by Seagate, additional storage for your PCThe portable hard disk expansion by Seagate is compact and is perfectly suitable for traveling. Add more storage space to your PC or Mac immediately and take large files with you while traveling. Setup is simple and effortless. All you need to do is connect the USB cable. The hard disk is supplied with power via the USB cable. No external power supply is required. The hard drive is also automatically recognized by the Windows or Mac operating system, so no software needs to be installed or configured. The files can be saved easily via drag-and-drop. Use the fast data transfer with USB 3.0 by using a USB 3.0 port. Also included in the purchase of Seagate Expansion for additional security Rescue Data Recovery Services for data recoveryThis text is machine translated.

Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400]

(3,936 reviews)

Portable hard drive expansion by Seagate, additional storage for your PCThe portable hard disk expansion by Seagate is compact and is perfectly suitable for traveling. Add more storage space to your PC or Mac immediately and take large files with you while traveling. Setup is simple and effortless. All you need to do is connect the USB cable. The hard disk is supplied with power via the USB cable. No external power supply is required. The hard drive is also automatically recognized by the Windows or Mac operating system, so no software needs to be installed or configured. The files can be saved easily via drag-and-drop. Use the fast data transfer with USB 3.0 by using a USB 3.0 port. Also included in the purchase of Seagate Expansion for additional security Rescue Data Recovery Services for data recoveryThis text is machine translated.

Portable hard drive expansion by Seagate, additional storage for your PCThe portable hard disk expansion by Seagate is compact and is perfectly suitable for traveling. Add more storage space to your PC or Mac immediately and take large files with you while traveling. Setup is simple and effortless. All you need to do is connect the USB cable. The hard disk is supplied with power via the USB cable. No external power supply is required. The hard drive is also automatically recognized by the Windows or Mac operating system, so no software needs to be installed or configured. The files can be saved easily via drag-and-drop. Use the fast data transfer with USB 3.0 by using a USB 3.0 port. Also included in the purchase of Seagate Expansion for additional security Rescue Data Recovery Services for data recoveryThis text is machine translated.

$113.24 - $360.81

in 25 offers

The lowest price for Seagate Expansion 4TB 2.5" External Hard Drive - Black [STKM4000400] right now is $113.24 at microless.com, compared across 17 retailers.

The all-time low was $79.88 on 22 June 2026 β€” today's price is 42% above the lowest ever. It has been notably cheaper before β€” worth setting a price alert.

Prices last updated 27 June 2026.

Capacity:

5 TB
6 TB
10 TB
8 TB
12 TB
14 TB
16 TB
18 TB

Price comparison

Price data powered by pricesAPI.io

Last updated at 27/06/2026 20:53:46

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

$320.48

Seagate Expansion Portable Drive 5TB 2.5IN USB3.0 GEN1 EXT HDD SOFTWA

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!

microless.com

$113.24

Seagate 1TB Expansion Portable External Hard Drive, Bus Powered, USB 3.0, 2.5 Inch Form Factor | STEA1000400

Delivery between 1–8 July $48.57

microless.com

$130.73

Seagate 1TB Expansion Portable USB 3.0 External Hard Drive, Micro-USB 3.0 Interface, Bus Powered, Preformatted exFAT, Rescue Data Recovery Services Wi

Delivery between 1–8 July $48.57

microless.com

$175.23

Seagate 2TB Expansion Portable USB 3.0 External Hard Drive, Micro-USB 3.0 Interface, Bus Powered, Rescue Data Recovery Services, Preformatted exFAT, W

Delivery between 1–8 July $48.57

microless.com

$297.62

Seagate Expansion 5TB External Hard Drive HDD, Micro-USB 3.0 Interface, Bus Powered, Preformatted exFAT, Rescue Data Recovery Services, Windows and Ma

Delivery between 1–8 July $48.57

Localworks

$129.00

Seagate 1TB USB 3.0 Expansion Portable - Rescue Data Recovery - Black

Free delivery

primework.com.au

$136.62

SEAGATE 1TB PORTABLE HARD DRIVE USB 3.0

Free delivery between 30 June – 7 July

hgspot.hr

$155.27

Eksterni tvrdi disk 1 TB SEAGATE Expansion Portable 2.5" USB 3.0 crni STKM1000400

Delivery $8.24

hgspot.hr

$252.73

Eksterni tvrdi disk 4 TB SEAGATE Expansion Portable 2.5" USB 3.0 crni STKM4000400

Delivery $8.24

ε‹ε’Œ Yoho

$157.19

Mastercard $100 OFF | Seagate Expansion 2TB USB3.0 Portable Hard Disk STKM2000400 - Black

Delivery $18.49

Price history

Price history

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

Specification

General
Device TypeHard drive - external (portable)
Capacity4 TB
InterfaceUSB 3.0
Width80 mm

Price comparison

Updated 2 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$320.48

Seagate Expansion Portable Drive 5TB 2.5IN USB3.0 GEN1 EXT HDD SOFTWA

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!

microless.com

$113.24

Seagate 1TB Expansion Portable External Hard Drive, Bus Powered, USB 3.0, 2.5 Inch Form Factor | STEA1000400

Delivery between 1–8 July $48.57

microless.com

$130.73

Seagate 1TB Expansion Portable USB 3.0 External Hard Drive, Micro-USB 3.0 Interface, Bus Powered, Preformatted exFAT, Rescue Data Recovery Services Wi

Delivery between 1–8 July $48.57

microless.com

$175.23

Seagate 2TB Expansion Portable USB 3.0 External Hard Drive, Micro-USB 3.0 Interface, Bus Powered, Rescue Data Recovery Services, Preformatted exFAT, W

Delivery between 1–8 July $48.57

microless.com

$297.62

Seagate Expansion 5TB External Hard Drive HDD, Micro-USB 3.0 Interface, Bus Powered, Preformatted exFAT, Rescue Data Recovery Services, Windows and Ma

Delivery between 1–8 July $48.57

Price history

Price history

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

Specification

General
Device TypeHard drive - external (portable)
Capacity4 TB
InterfaceUSB 3.0
Width80 mm

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