Is this external hard drive compatible with both Windows and Mac operating systems?

Yes, this external hard drive works with both Windows and Mac operating systems without the need to reformat.

What are the dimensions and weight of the Seagate 4TB One Touch Portable External Hard Drive?

The dimensions of the Seagate 4TB One Touch Portable External Hard Drive are 0.82 inches x 3.15 inches x 4.54 inches, and it weighs 0.59 lb.

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Seagate 4TB One Touch Portable External Hard Drive USB 3.2 Gen 1 Model STKC4000400 Black

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Options: 4TB (Black)

5TB (Light Blue)
4TB (Black)
2TB (Light Blue)

Model STKC4000400
Textured metal finish fits in with modern lifestyle elements
Compatible with USB 3.2 Gen 1 (USB 3.0)
Powered by USB connection—offers customized backup and folder mirroring
Drop files into the designated folder for automatic file synchronization
Works with Windows and Mac without the need to reformat
Includes Rescue Data Recovery Services

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews (25)

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Model
Brand	Seagate
Series	One Touch
Model	STKC4000400

Performance
Color	Black
Interface	USB 3.2 Gen 1
Capacity	4TB

Features
Features	Textured metal finish fits in with modern lifestyle elements Compatible with USB 3.2 Gen 1 (USB 3.0) Powered by USB connection - offers customized backup and folder mirroring Drop files into the designated folder for automatic file synchronization Works with Windows and Mac without the need to reformat Includes Rescue Data Recovery Services 1-year Mylio Create plan 4-month Adobe Creative Cloud Photography plan
System Requirements	Windows 7 or higher, or Mac OS X 10.12 or higher operating system1,2 Available SuperSpeed USB 3.2 Gen 1 (USB 3.0) port (required for USB 3.2 Gen1 transfer speeds) 1 Reformatting for Mac may be required. 2 Compatibility may vary depending on user's hardware configuration and operating system.

Dimensions & Weight
Dimensions	0.82" x 3.15" x 4.54"
Weight	0.59 lb.

Packaging
Package Contents	Seagate One Touch portable storage 18-inch (45.72cm) USB 3.2 Gen 1 (USB 3.0) cable Quick start guide Downlodable Toolkit Backup Software 2-year Rescue Data Recovery Services 1-year Mylio Create plan3 4-month membership Adobe Creative Cloud Photography plan4 3 See www.mylio.com/terms-of-service/ for applicable terms and privacy policy. Not available in all countries. 4 Internet connection and Adobe ID required. Available only to users 13 and older. See www.adobe.com/legal.html for applicable terms and privacy policy. Not available in all countries.

Additional Information
First Listed on Newegg	July 10, 2025

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Return for refund within: 30 days
Return for replacement within: non-replaceable
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Seagate 4TB One Touch Portable External Hard Drive USB 3.2 Gen 1 Model STKC4000400 Black

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Customer Reviews of the Seagate STKC4000400

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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Item#: 9SIAD6HKH66763

Meet Your Seller

Seagate 4TB One Touch Portable External Hard Drive USB 3.2 Gen 1 Model STKC4000400 Black

Learn more about the Seagate STKC4000400

Customer Reviews of the Seagate STKC4000400

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info