Seagate Expansion 4TB Portable Hard Drive Black USB 3.2 Gen 1 - STKM4000400

The Seagate Expansion 4TB Portable Hard Drive is a compact, bus-powered external storage solution designed for users who need serious capacity without the bulk. Suitable for backing up large media libraries, project files and system data at home or on the move.

UK-based seller
Tracked delivery across the UK
Genuine product sourced through established distribution partners

• Capacity: 4TB
• Interface: USB 3.2 Gen 1 (USB Type-A connector)
• Transfer Rate: Up to 5Gbps
• Colour: Black
• HDD Size: 2.5"
• Dimensions: 115.3 x 80 x 20.9mm
• Weight: 257g
• Compatibility: Windows and Mac operating systems
• No Thunderbolt, Wi-Fi or Ethernet

The Seagate Expansion 4TB is a plug-and-play drive that requires no software installation. Simply connect via USB and the drive is immediately recognised by your system. The 2.5" form factor keeps it portable and the bus-powered design means no separate power adapter is needed. With 4TB of capacity, it suits photographers, videographers and anyone managing large file collections.

Delivery & Fulfilment

This product is sold by TechFinder UK, a UK-based sole trader business.

All hardware is sourced through established distribution partners.

Orders are dispatched within 1–2 business days with tracked delivery across the United Kingdom.

Why Buy from TechFinder UK?

• UK-based sole trader — genuine products, real accountability
• Sourced through established distribution partners
• Secure checkout with buyer protection
• Tracked UK delivery, dispatched within 1–2 business days
• Pre- and post-purchase support available

Technical Specifications

• Capacity: 4TB
• HDD Size: 2.5"
• Interface: USB 3.2 Gen 1 (3.1 Gen 1) — USB Type-A
• Transfer Rate: Up to 5Gbps
• Colour: Black
• Width: 80mm
• Height: 115.3mm
• Depth: 20.9mm
• Weight: 257g
• Gross Weight: 0.34kg
• Package Dimensions: 105 x 146 x 40mm
• Package Weight: 340g
• OS Compatibility: Windows, Mac
• Thunderbolt: No
• Wi-Fi: No
• Ethernet: No
• Warranty: 2 Years Seagate Manufacturer Warranty
• Package Contents: Seagate Expansion portable hard drive, 45.72cm USB 3.0 cable, quick start guide, Rescue Data Recovery Services

Product Identification
Model: STKM4000400
EAN: 3660619040254
UPC: 763649160480