The Seagate Expansion 4TB Desktop External Hard Drive (STKP4000400) offers a perfect combination of speed, space, and simplicity. Designed for users who handle large files or need dependable backup storage, this drive provides 4 terabytes of capacity — enough room for thousands of high-resolution photos, HD movies, games, and project files.
Featuring a USB 3.0 interface, it ensures fast transfer speeds up to 5 Gbps, making file management efficient and effortless. Simply connect the drive to your computer using the included USB cable and power adapter — it’s instantly recognized by Windows and Mac systems, no installation needed.
The drive also includes Seagate’s 3-Year Data Recovery Services, offering additional security against data loss due to unexpected issues. Its sleek black design and durable build make it ideal for both home and office setups.
Whether you need to expand your PC’s storage, create a backup vault, or store large multimedia files, the Seagate Expansion 4TB HDD is a dependable and easy-to-use solution.
Technical Specifications
| Feature | Details |
|---|---|
| Model | STKP4000400 |
| Capacity | 4TB |
| Form Factor | 3.5-inch Desktop External HDD |
| Interface | USB 3.0 (compatible with USB 2.0) |
| Transfer Speed | Up to 5 Gbps |
| Power Supply | External AC Adapter (included) |
| Compatibility | Windows 10/11, macOS 10.12 or later (reformat may be required) |
| Plug & Play | Yes |
| Data Recovery | 3-Year Seagate Rescue Data Recovery Services |
| Dimensions | 178.75 × 41.9 × 125 mm |
| Weight | Approx. 1.17 kg |
| Color | Black |
| Usage | Backup, File Storage, Multimedia, Gaming |
| Warranty | Up to 3 Years (region dependent) |
| Cable Included | USB 3.0 Cable |
| System Requirements | USB port & power connection |
| Build | Durable ABS enclosure |
| Operating Mode | Desktop powered |
| Noise Level | Low |
| Supported OS | Windows, Mac (reformat may be needed for Time Machine) |
FAQs
Q1: Is this drive compatible with both Windows and Mac?
Yes, it works with both Windows and Mac systems. Mac users may need to reformat for Time Machine use.
Q2: Does it require external power?
Yes, since it’s a desktop 3.5-inch drive, it includes an AC power adapter.
Q3: How fast is the data transfer?
With USB 3.0, you can expect speeds up to 5 Gbps for quick file transfers.
Q4: Is installation complicated?
No, it’s plug-and-play. Connect the USB cable and power adapter, and you’re ready to go.
Q5: What kind of files can I store?
You can store large files like movies, games, backups, and project archives — up to 4TB total capacity.

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