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1,272 Ratings (60% Positive)
  • $210.99

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Seagate Expansion SSD 500GB USB 3.0 External / Portable Solid State Drive for PC Laptop and Mac (STJD500400)

Ships from Canada.
Most customers receive within 3-31 days.
  • Super compact, light, and small enough to fit in your front pocket without weighing it down
  • Easily drag and drop photos and videos to your drive. Even stream videos straight from the drive
  • Take advantage of SSD durability and transfer speeds up to 400 MB/s
  • Works with Windows and Mac without the need to reformat. Reformatting is needed for use with Time Machine
Black Expansion SSD face forward next to sunglasses and graphic text that reads: EXPANSION SSD

A Little Speed, All You Need

Small, fast and on-the-go ready. Expansion SSD delivers sleek, external, solid-state backup for laptops. Ultra light, it slips in any bag practically unnoticed. And beyond simple, it transfers files in a flash—just drag, drop and you're done.

Black Expansion SSD top view, a wallet and a model car

Go Small, Go Anywhere

About the size of a credit card, Expansion SSDs are small enough to tuck away in a wallet, shirt pocket or bag. And when it's time to transfer or back up files, its sleek, minimalist style makes the process less mundane and a little more personalized.

Black Expansion SSD side view

Boosted Speed, Essential Space

Transfer photos faster and stream videos directly from drive to laptop with SSD-boosted speeds of up to 400MB/s. Whether traveling, at the office, or just scrolling through old memories, enjoy plenty of on-the-go durability and space for must-have content.

Black Expansion SSD works with computer

Drag-and Drop for Windows and Mac

This Expansion SSD is ready out of the box, works with both Windows and Mac, and transfers files with simple drag-and-drop functionality. (Purchase adapter separately for use with USB-C computers. Reformatting may be required for use with Time Machine).


Classic Black Expansion SSD Textile Gray Expansion SSD Camo Green Expansion SSD Aluminum Expansion SSD
Expansion SSD One Touch SSD One Touch SSD
Special Edition
Fast SSD
Max Capacity 1TB 1TB 1TB 1TB
Max Speed 400MB/s 400MB/s 400MB/s 540MB/s
Shock Resistant
Interface USB 3.0 USB 3.0 USB 3.0 USB-C, USB 3.0
Works with Windows/ Mac Windows/ Mac Windows/ Mac Windows/ Mac
Enclosure Classic Textile Camo Aluminum
Seagate Black Expansion SSD angled to the right

What's Included

Seagate Expansion SSD, 20cm USB 3.0 cable and quick-start guide.

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • This item is covered by BTE Outlet Return Policy