Seagate Expansion 4TB Portable External Hard Drive (USB 3.2 Gen 1, 2.5-Inch Form Factor, Plug-and-Play, Black)

The Seagate Expansion 4TB Portable External Hard Drive (Model: STKM4000400) provides an instant, reliable, and high-capacity storage solution for your digital lifestyle. Whether you need to offload massive file libraries from a crowded laptop, back up critical business data, or keep expansive multimedia files safe, this pocket-sized drive provides massive capacity in an elegant, travel-friendly chassis. Featuring a refined, textured matte black casing, it fits seamlessly into any modern workspace layout.

Engineered for true simplicity, the Seagate Expansion features a complete plug-and-play setup. It is powered entirely via the bus through the included USB cable, meaning there are no clunky external power bricks or wall outlets to worry about. Out of the box, the drive is pre-formatted to be instantly recognized by major operating systems, making data management as easy as a quick drag-and-drop file swap. Utilizing the high-velocity USB 3.2 Gen 1 interface, it achieves data transfer speeds up to 5Gbps to handle large video assets, high-resolution photo archives, and technical models efficiently.

Key Features

• Massive 4TB Storage Pool: Provides ample headroom to secure thousands of hours of video, massive music collections, extensive documents, and large system backups.

• True Plug-and-Play Simplicity: Requires zero software installations, configuration menus, or manual drivers—simply plug it into your computer and begin moving files immediately.

• USB Bus-Powered Portability: No wall outlet needed. The drive draws all required operating power directly from your host device's USB port for ultimate mobile convenience.

• High-Speed USB 3.2 Gen 1: Delivers fast data transfer speeds up to 5Gbps to slash file copying times, while remaining fully backward compatible with older USB 2.0 ports.

• Universal Operating System Support: Built to work smoothly across Windows and macOS ecosystems right out of the box, offering highly flexible multi-platform file migration.

• Seagate Rescue Data Recovery Services: Includes complimentary access to professional data recovery services to help protect your vital files from unexpected physical accidents or data loss.

Technical Specifications

• Model Number: STKM4000400

• Product Line: Seagate Expansion Portable

• Color Profile: Matte Textured Black

• Storage Device Class: 2.5-Inch Portable External Hard Disk Drive (HDD)

• Formatted Capacity: 4 Terabytes (4,000 GB)

• Default Formatting: exFAT (Multi-platform compatible)

• Hardware Interface: USB 3.2 Gen 1 (Also referred to as SuperSpeed USB 3.0)

• Interface Transfer Velocity: Up to 5 Gbps

• Backward Compatibility: Fully compatible with legacy USB 2.0 connection interfaces

• Power Source Profile: USB Bus-Powered (Draws power directly from host device)

• Supported Platforms: Windows 10 / 11 (32-bit or 64-bit) or newer; Apple macOS 10.13 High Sierra or newer (Reformatting required for Apple Time Machine use).

• Dimensions (L × W × H): 115.3 mm × 80.0 mm × 20.9 mm

• Device Weight: 257 grams (0.567 lbs)

• Package Contents:

  • 1 × Seagate Expansion Portable External Hard Drive

  • 1 × 18-inch (45.72 cm) USB 3.0 Type-A Interface Cable

  • 1 × Quick Start Guide