Seagate Expansion STNN4000400 external hard drive 4 TB 2.5" USB Type-C Black
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Overview
Carry your digital world in your pocket with the Expansion portable 2.5-inch external hard drive. Sleek and lightweight, it delivers flexible and secure storage for photos, media and everyday files. Easy to use and ready when you are, it features plug-and-play usability, universal connectivity and Rescue Data Recovery Services. Keep everything that matters close, wherever you go.
Built to move with you
Personal, everyday storage for moments that make you.
Storage with benefits
Here’s what makes Expansion portable essential for everyday storage.
Room for it all
Up to 4 TB of space for photos, videos and everything worth keeping.
No fuss. Just storage.
Easy everyday storage that’s simple to set up and use.
Made to move
Portable, light and compact. Ideal for home, school, work, or travel.
Very compatible
Works with most Windows® and macOS® systems for use across devices.
Plays well with others
USB-C connectivity makes it easy to connect to today’s devices.
Easy on the eyes
Sleek and modern design that fits any vibe.
Refreshingly obvious
Storage shouldn't feel complicated. Expansion portable gives you simple, dependable backup that's ready when you need it, without the fuss.
Room to Grow. Space to go.
Expansion portable gives your growing digital world the space it needs, wherever life takes you.
More you
Expansion is built for more. From desk to pocket, the Expansion range always makes room for you.
Data Recovery
Peace of mind, built in
Life is full of surprises. That's why this drive includes Rescue Data Recovery Services — so if the unexpected happens, our team of experts is here to help.
Specifications
Performance
| Windows operating systems supported | Yes |
|---|---|
| Mac operating systems supported | Yes |
| Wi-Fi | No |
Hard drive
| HDD size | 2.5" |
|---|---|
| HDD capacity | 4 TB |
Show all 21 specificationsShow fewer specifications
Ports & interfaces
| USB connector | USB Type-C |
|---|---|
| Thunderbolt technology | No |
| Ethernet LAN | No |
Features
| Refurbished | No |
|---|
Design
| Product colour | Black |
|---|
Power
| Bus powered | USB |
|---|
Weight & dimensions
| Weight | 246 g |
|---|---|
| Width | 85 mm |
| Depth | 117.8 mm |
| Height | 20.9 mm |
| Package type | Box |
| Package depth | 150 mm |
| Package width | 109.5 mm |
| Package height | 40.5 mm |
| Package weight | 290 g |
Other features
| Quick start guide | Yes |
|---|
Manuals & downloads
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.