[STKP12000400] 12TB Expansion Desktop External Hard Drive HDD, USB 3.0 for PC & Mac
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. Plus, Seagate Expansion comes with Rescue Data Recovery Services for additional peace of mind. - Windows 10 or higher, or Mac OS X 10.12 or higher operating system1,2 Available USB 3.0 port (required for USB 3.0 transfer speeds)2 1 Reformatting may be required for use with Time Machine. 2 Compatibility may vary depending on user’s hardware configuration and operating system. - Features:Easy-to-use desktop hard drive – simply plug in the power adapter and USB cable Fast file transfers with USB 3.0Drag-and-drop file saving right out of the box - Specification:Capacity: 12 TB Color: Black Form Factor: Desktop Interface: USB 3.0 cable Dimensions 4.92” x 1.65” x 7.04” Weight 2.59 lbs. - Package Contents - Seagate Expansion desktop hard drive18-inch (45.72cm) USB 3.0 cable18W power adapter - Quick start guide - Rescue Data Recovery Services3Toolkit backup software
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. Plus, Seagate Expansion comes with Rescue Data Recovery Services for additional peace of mind. - Windows 10 or higher, or Mac OS X 10.12 or higher operating system1,2 Available USB 3.0 port (required for USB 3.0 transfer speeds)2 1 Reformatting may be required for use with Time Machine. 2 Compatibility may vary depending on user’s hardware configuration and operating system. - Features:Easy-to-use desktop hard drive – simply plug in the power adapter and USB cable Fast file transfers with USB 3.0Drag-and-drop file saving right out of the box - Specification:Capacity: 12 TB Color: Black Form Factor: Desktop Interface: USB 3.0 cable Dimensions 4.92” x 1.65” x 7.04” Weight 2.59 lbs. - Package Contents - Seagate Expansion desktop hard drive18-inch (45.72cm) USB 3.0 cable18W power adapter - Quick start guide - Rescue Data Recovery Services3Toolkit backup software
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. Plus, Seagate Expansion comes with Rescue Data Recovery Services for additional peace of mind. - Windows 10 or higher, or Mac OS X 10.12 or higher operating system1,2 Available USB 3.0 port (required for USB 3.0 transfer speeds)2 1 Reformatting may be required for use with Time Machine. 2 Compatibility may vary depending on user’s hardware configuration and operating system. - Features:Easy-to-use desktop hard drive – simply plug in the power adapter and USB cable Fast file transfers with USB 3.0Drag-and-drop file saving right out of the box - Specification:Capacity: 12 TB Color: Black Form Factor: Desktop Interface: USB 3.0 cable Dimensions 4.92” x 1.65” x 7.04” Weight 2.59 lbs. - Package Contents - Seagate Expansion desktop hard drive18-inch (45.72cm) USB 3.0 cable18W power adapter - Quick start guide - Rescue Data Recovery Services3Toolkit backup software
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. Plus, Seagate Expansion comes with Rescue Data Recovery Services for additional peace of mind. - Windows 10 or higher, or Mac OS X 10.12 or higher operating system1,2 Available USB 3.0 port (required for USB 3.0 transfer speeds)2 1 Reformatting may be required for use with Time Machine. 2 Compatibility may vary depending on user’s hardware configuration and operating system. - Features:Easy-to-use desktop hard drive – simply plug in the power adapter and USB cable Fast file transfers with USB 3.0Drag-and-drop file saving right out of the box - Specification:Capacity: 12 TB Color: Black Form Factor: Desktop Interface: USB 3.0 cable Dimensions 4.92” x 1.65” x 7.04” Weight 2.59 lbs. - Package Contents - Seagate Expansion desktop hard drive18-inch (45.72cm) USB 3.0 cable18W power adapter - Quick start guide - Rescue Data Recovery Services3Toolkit backup software
in 8 offers
The lowest price for [STKP12000400] 12TB Expansion Desktop External Hard Drive HDD, USB 3.0 for PC & Mac right now is $379.42 at Everyday Rewards, compared across 5 retailers.
The all-time low was $379.42 on 29 July 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 29 July 2026.
Last updated at 29/07/2026 18:33:02
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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!
Seagate 8TB Expansion Desktop Hard Drive | USB 3.0 (STKP8000400) | Desktop HDD for easy backup, plug-and-play, drag-and-drop, auto detects Windows & M
Delivery between 5–8 Aug $29
| Capacity | 12 TB |
![Seagate Expansion 12TB Desktop External Hard Drive [STKP12000400]](/_next/image?url=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F81dFcG7ZE0L.jpg&w=640&q=75)
