Seagate Expansion STKP16000400 16 TB Desktop Hard Drive - 3.5" External - Black

The Seagate Expansion STKP16000400 16 TB Desktop External Hard Drive is built to grow with your data while delivering dependable, straightforward storage for PCs and Macs alike. This 3.5-inch desktop hard drive packs an enormous 16 terabytes of space into a compact black enclosure, making it ideal for backing up entire systems, archiving high-resolution media libraries, and expanding your digital workspace without constantly worrying about running out of room. Designed for reliability and ease of use, it combines plug-and-play convenience with robust performance, helping you organize and protect your most important files with confidence.

• Massive 16TB capacity for everything you own — store thousands of photos, 4K videos, music libraries, design files, documents, and full-system backups in a single, centralized location. With this much space, you can preserve irreplaceable memories and critical work without the need to delete files to make room for new ones. It’s an ideal solution for families wanting a central media hub, students handling project archives, and professionals managing large data sets.
• Ultra-fast USB 3.0 connectivity for quick transfers — the drive leverages a USB 3.0 interface to deliver high-bandwidth data transfer, speeding up backups and large file transfers between your computer and the drive. Whether you’re moving a massive photo library, cloning an entire PC, or archiving high-definition video projects, USB 3.0 helps you move data efficiently and with less waiting time.
• Plug-and-play simplicity on Windows; flexible Mac compatibility — connect the drive to a Windows PC and you’re ready to start backing up or expanding storage right away. It comes preformatted for Windows, providing a seamless, drop-in storage solution. Mac users can reformat the drive to a Mac-friendly filesystem (APFS or Mac OS Extended) via Disk Utility to enable Time Machine backups and smooth file transfer—earning a versatile cross‑platform storage option.
• Reliable desktop design with external power for continuous operation — this is a true desktop-class 3.5-inch hard drive that requires an external power adapter, ensuring stable, consistent performance for long backup sessions and ongoing data storage. The dedicated power supply helps maintain sustained drive performance, making it well-suited for routine backups, media libraries, and large-scale data archiving.
• Easy software tools to protect and manage your data — Seagate provides straightforward software to help you back up important files automatically, schedule routine backups, and organize your data with simple, user-friendly controls. These tools are designed to provide peace of mind, making it easier to protect valuable files without complex setup or management.

Technical Details of Seagate Expansion STKP16000400 16 TB Desktop Hard Drive

• Capacity: 16 TB
• Drive form factor: 3.5-inch desktop external hard drive
• Interface: USB 3.0 (USB 3.0/5 Gbps) for fast data transfer
• Power: External AC adapter included for reliable, continuous operation
• Preformat: NTFS for Windows; Mac users may reformat to APFS or Mac OS Extended (Journaled) using Disk Utility
• Bundle: USB cable and power adapter included
• Compatibility: Works with Windows PCs and can be used with Mac computers after reformatting; plug-and-play on supported systems

How to install Seagate Expansion STKP16000400 16 TB Desktop External Hard Drive

• Unpack the drive and connect the included external power adapter to a wall outlet, then connect the adapter to the drive.
• Use the USB cable to connect the drive to a USB port on your computer. For Windows, the system will recognize the new device automatically and assign a drive letter.
• On Windows, you can begin using the drive immediately. If you want to back up automatically, install Seagate’s backup software and configure your backup schedule. The drive is ready for drag-and-drop use right away in most scenarios.
• If you plan to use the drive with a Mac, boot into macOS and open Disk Utility. Reformat the drive to a Mac-friendly filesystem (APFS or Mac OS Extended) to enable Time Machine backups or other Mac workflows.
• Once formatted for your system, start organizing your files by category (photos, videos, documents, and backups) and enjoy efficient, expandable storage for years to come.

Frequently asked questions

• Q: How much storage does this Seagate Expansion drive offer? A: It provides 16 TB of total storage capacity, ideal for large media libraries, backups, and extensive data archives.
• Q: Is the drive plug-and-play? A: Yes. It is designed for easy plug-and-play use on Windows systems. Mac users will need to reformat the drive for Mac filesystems if they want to use Time Machine or other Mac-specific workflows.
• Q: Does this drive require an external power source? A: Yes. It is a desktop 3.5-inch model that ships with an external AC adapter to ensure stable operation during long backup sessions.
• Q: What software comes with the drive? A: Seagate provides backup and file-management software to help you automate backups and organize your data, simplifying ongoing data protection and storage management.
• Q: Can I use this drive with both Windows and macOS? A: Yes. You can use it with Windows immediately (formatted NTFS) and with macOS after reformatting to a Mac-compatible filesystem (APFS or Mac OS Extended) for Time Machine backups and general file transfers.
• Q: Is there any warranty? A: Seagate products typically include a limited warranty; specifics vary by region and retailer. Please check your local Seagate policy at the time of purchase for exact coverage.