Brands Guides About
Seagate STKP14000402 Expansion 14TB External Hard Drive USB 3.0 — main product image
Seagate STKP14000402 Expansion 14TB External Hard Drive USB 3.0
Seagate STKP14000402 Expansion 14TB External Hard Drive USB 3.0
Seagate STKP14000402 Expansion 14TB External Hard Drive USB 3.0
Seagate STKP14000402 Expansion 14TB External Hard Drive USB 3.0
Seagate STKP14000402 Expansion 14TB External Hard Drive USB 3.0
Seagate

Seagate STKP14000402 Expansion 14TB External Hard Drive USB 3.0

★★★★★4.4 (15525 reviews)
USB 3.0

Store 14TB of files, photos, and videos with simple plug-and-play USB 3.0 desktop storage from Seagate.

$499.95*
Check availability

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Seagate Expansion 14TB External Hard Drive (STKP14000402) is a desktop storage solution built for users who need serious capacity without complexity. With 14 terabytes of space, this drive can comfortably store vast libraries of photos, video projects, music collections, and full system backups. Setup is as simple as connecting the included USB cable and power adapter — the drive is immediately recognized by Windows and Mac systems, and files can be saved with a simple drag and drop. There is no proprietary software required to get started.

Powered by a USB 3.0 interface, the Expansion delivers reliable transfer speeds suitable for moving large files and performing routine backups. The 3.5-inch form factor means this is designed to sit on a desk rather than travel in a bag, and the included AC power adapter is required for operation. Seagate backs the drive with included data recovery services, adding a layer of protection for your important data. For users who simply need a large, dependable place to store files without fuss, the Expansion 14TB is a practical and cost-effective choice.

Key Features

Easy-to-use desktop hard drive—simply plug in the power adapter and USB cable

Fast file transfers with USB 3.0

Drag-and-drop file saving right out of the box

Automatic recognition of Windows and Mac computers for simple setup (Reformatting required for use with Time Machine)

The available storage capacity may vary.

Specifications

Brand
Seagate
Model
STKP14000402
Capacity
14TB
Interface
USB 3.0
Form Factor
3.5 inch
Color
Black
Data Recovery Services
Included

Pros & Cons

👍 Pros

  • Massive 14TB capacity handles large media libraries and backups without multiple drives
  • Simple drag-and-drop operation with no software installation required
  • Includes Seagate data recovery services for added data protection
  • Works with both Windows and Mac computers out of the box
  • USB 3.0 interface provides fast file transfer speeds

👎 Cons

  • Requires an external power adapter, limiting portability compared to bus-powered portable drives
  • The 3.5-inch desktop form factor is bulky and not suited for travel
  • Reformatting is required to use the drive with Mac Time Machine
  • No hardware encryption or password protection built into the drive
  • Fan-less design may allow the drive to run warm under sustained heavy use

Frequently Asked Questions

Yes, this is a desktop 3.5-inch drive that requires the included power adapter in addition to the USB cable.
The drive is recognized by both Windows and Mac computers automatically, but you will need to reformat it if you want to use it with Time Machine.
Yes, Seagate includes data recovery services with this drive, providing added peace of mind for your stored files.
The formatted capacity will be less than 14TB due to how operating systems calculate storage. Expect roughly 12.7TB of usable space after formatting.
No, because it is a full-size 3.5-inch desktop drive, it requires the included AC power adapter to operate.

Related Products