Seagate · MPN: STNN4000400
£187.99
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Seagate Expansion STNN4000400 external hard drive 4 TB 2.5" USB Type-C Black
Now £187.99

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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 supportedYes
Mac operating systems supportedYes
Wi-FiNo

Hard drive

HDD size2.5"
HDD capacity4 TB
Show all 21 specificationsShow fewer specifications

Ports & interfaces

USB connectorUSB Type-C
Thunderbolt technologyNo
Ethernet LANNo

Features

RefurbishedNo

Design

Product colourBlack

Power

Bus poweredUSB

Weight & dimensions

Weight246 g
Width85 mm
Depth117.8 mm
Height20.9 mm
Package typeBox
Package depth150 mm
Package width109.5 mm
Package height40.5 mm
Package weight290 g

Other features

Quick start guideYes

Manuals & downloads

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.

Full delivery information · Full returns policy