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.
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The lowest price for Seagate Expansion 18TB Desktop 3.5" External Hard Drive Black [STKP18000400] right now is $817.40 at Device Deal.
The all-time low was $429.65 on 23 Apr 2026 — today's price is 90% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 11 May 2026.
Seagate Expansion 18TB Desktop 3.5" External Hard Drive Black [STKP18000400]
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.
Last updated at 11/05/2026 11:32:03
Seagate 18TB Black STKP18000400 USB 3.0 Portable Storage
Delivery $12.99
| General | |
| Device Type | Hard drive - external (desktop) |
| Capacity | 18 TB |
| Interface | USB 3.0 |
| Width | 41.9 mm |
Seagate 18TB Black STKP18000400 USB 3.0 Portable Storage
Delivery $12.99
| General | |
| Device Type | Hard drive - external (desktop) |
| Capacity | 18 TB |
| Interface | USB 3.0 |
| Width | 41.9 mm |
