Seagate Expansion 4TB USB-C 2.5" Portable External Hard Drive STNN4000400 Black
- 4TB Storage Capacity: Plenty of room for photos, videos, media and everyday files.
- Compact & Portable: Slim, lightweight 2.5-inch design that fits easily in a pocket or bag.
- USB-C Connectivity: Includes a USB Micro-B to Type-C cable for easy connection to modern devices.
- Plug-and-Play Setup: Simple to set up and use; compatible with most Windows and macOS systems.
- Rescue Data Recovery Services: Includes 1 year of complimentary Seagate Rescue Data Recovery Services (availability may vary by region).
- What’s Included: Expansion portable hard drive, 0.5m USB Micro-B to Type-C cable, quick start guide, and 1-year limited warranty.
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Overview
Specs
Reviews
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.ca's Standard Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Website
- Support Phone: 1-800-SEAGATE
- Support Website
- View other products from Seagate
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The Seagate Expansion STNN4000400 is a 4TB portable external hard drive for people who want roomy, plug-and-play storage for photos, videos, media, and everyday files. Its 2.5-inch design and included USB Micro-B-to-USB-C cable make it suited to carrying files between compatible Windows or macOS devices.
Recommended For
- Laptop owners who want to move photos, videos, and everyday files off a crowded computer and keep a portable local copy for occasional access.
- Photographers and video shooters who need a compact drive to carry or store large collections of finished photos and footage, rather than a fast drive for editing those files directly.
- Students and remote workers who carry a backup set of documents and media between home, campus, or work and prefer a plug-in storage drive over relying only on a laptop’s internal space.
- Home-computer users who want an external drive as one additional copy of important files; Seagate advises keeping another copy on separate media rather than treating one external drive as the only backup.
Real-World Use Scenarios
- When a laptop is running low on space, move older photos, videos, and everyday files onto the drive; this frees internal storage while keeping those files available when the drive is connected.
- For a simple computer backup routine, copy important documents and personal media to the drive periodically; it provides a separate local copy, though it should not be the only copy of important files.
- When moving between home, school, or work, carry a library of files with you and connect the drive to a computer; this makes stored files accessible without first uploading or downloading them.
- To keep a personal photo, video, or music collection outside a computer’s internal drive, store the files on the Expansion and connect it when needed; file transfers and browsing may feel less immediate than on an SSD.
- After finishing a photo or video project, move the original files or completed footage onto the drive for storage; for active editing where fast scrubbing and responsiveness matter, an SSD is generally a better fit.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Portable storage for photos, videos, media, and everyday files, including personal, business, and multimedia use |
| Capacity | 4 TB of storage |
| Interface And Connectivity | USB Type-C connection using USB 3.0; compatible device types include desktop computers, laptops, smartphones, and tablets |
| Read And Transfer Performance | Listed read speed of 120 MB/s and data transfer rate of 4,800 MB/s |
| Drive Mechanism | Mechanical hard drive with a listed rotational speed of 7,200 RPM |
| System Compatibility | Compatible with most Windows and macOS systems; listed hardware platforms are PC and Mac |
| Portability And Dimensions | 2.5-inch form factor; 4.64 × 3.35 × 0.82 inches (117.8 × 85.0 × 20.9 mm) and 0.54 lb |
| Package Contents | Portable hard drive, 0.5 m USB Micro-B to USB Type-C cable, and quick start guide |
| Model Identifiers | Seagate Expansion Portable, model and part number STNN4000400; black |