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Seagate

Seagate Storage Expansion Card for Xbox Series X|S, 1TB, SSD, NVMe Expansion SSD (STJR1000400)

  • Based on 10,210 reviews
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Availability: Only 2 left in stock, order soon!
Fulfilled by Amazon
Arrives Sep 2 – Sep 8
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Features

  • SEAMLESS GAMEPLAY Designed in partnership with Xbox to seamlessly play Xbox Series X|S games from the internal SSD or the expansion card without sacrificing graphics, latency, load times or framerates
  • HIGH CAPACITY 1 TB of storage increases the overall capacity of the Xbox Series X|S collect thousands of games across four generations of Xbox without sacrificing performance
  • DESIGNED FOR XBOX Providing faster load times, richer environments and more immersive gameplay
  • QUICK RESUME Switch between multiple titles in seconds directly from the internal SSD or the expansion card
  • WARRANTY Enjoy long-term peace of mind with the included 3-year limited warranty

Description

Instantly expand the next generation peak speed and performance capacity of Xbox Series X|S with the custom-engineered Seagate Storage Expansion Card. Effortlessly compatible with the Xbox Velocity Architecture, experience the fastest load times and most dynamic worlds — even improving the overall performance of thousands of Original Xbox, Xbox 360 and Xbox One games. The ultimate power, speed, and compatibility is now at your fingertips.

Digital Storage Capacity: 1 TB


Hard Disk Interface: Solid State


Connectivity Technology: USB


Brand: Seagate


Special Feature: Portable


Hard Disk Form Factor: 2.5 centimeters


Hard Disk Description: Solid State Drive


Compatible Devices: Gaming Console


Installation Type: External Hard Drive


Color: Grey


Digital Storage Capacity: 1 TB


Hard Disk Interface: Solid State


Connectivity Technology: USB


Additional Features: Portable


Hard Disk Form Factor: 2.5 centimeters


Compatible Devices: Gaming Console


Specific Uses For Product: Gaming experience


Read Speed: 300 megabytes_per_second


Media Speed: 3000 MB/s


Cache Memory Installed Size: 1


Data Transfer Rate: 550 megabits_per_second


Form Factor: Portable


Hardware Connectivity: Solid State Drive


Compatible Video Game Console Models: Microsoft Xbox SERIES S, Microsoft Xbox SERIES X


Hardware Platform: Xbox Series X


Installation Type: External Hard Drive


Color: Grey


Enclosure Material: Nand Flash


Brand: Seagate


Model Number: STJR1000400


Hard Disk Description: Solid State Drive


Built-In Media: SSD 1TB Expansion Card for Xbox X/S SSD


Model Name: Seagate Expansion Card


Manufacturer: Seagate


Item Length: 7.8 millimeters


Item Width: 31.6 millimeters


Mfr Part Number: STJR1000400


Hard-Drive Size: 1 TB


Item Weight: 30 g


Item Dimensions L x W x Thickness: 2.08"L x 1.24"W x 0.31"Th


Number of Items: 1


Unit Count: 1 Count


Customer Package Type: FFP


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 2 – Sep 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Fast, seamless storage expansion for Xbox
Color: Grey Capacity: 1TB Style: Xbox X/S SSD
The Seagate 1TB Storage Expansion Card is an excellent upgrade for Xbox Series X|S. Setup is completely plug-and-play, just insert it and the console recognizes it instantly. Performance is outstanding. Games run directly from the card with the same fast load times as the internal SSD, with no lag or compatibility issues. It’s perfect for storing and playing next-gen titles without constantly managing space. The build quality feels solid and compact, and the extra storage makes a big difference, especially with large games and Game Pass libraries. The only downside is the price compared to standard external drives, but the speed and native Xbox support justify it. Highly recommended if you want more space without sacrificing performance. ... show more
Reviewed in the United States on January 14, 2026 by Tommy
    • Worth the purchase
Color: Grey Capacity: 1TB Style: Xbox X/S SSD
This works perfectly and seamlessly so happy to have bought it, I only wish I had gotten the two Terabyte hard-drive version now that I know how good the product is perfectly compatible with xbox series s easy to use the one to two terabyte are perfect storage space depending on need and all in all I think it's a Decent value for it's price ... show more
Reviewed in the United States on June 20, 2026 by Kilimanjaro
    • Can play the games stored on it without moving them.
Color: Grey Capacity: 1TB Style: Xbox X/S SSD
This is exactly what I needed. I can save my games to it and play directly without having to move games. I highly recommend it for anyone who needs extra space and wants to be able to play from it.
Reviewed in the United States on June 29, 2026 by Holly H.
    • Works perfect
Color: Grey Capacity: 1TB Style: Xbox X/S SSD
It works great. Games run ok, you can play without any problem.
Reviewed in the United States on May 3, 2026 by Marisol Sierra
    • 10/10 Storage Expansion
Color: Grey Capacity: 1TB Style: Xbox X/S SSD
Review Image by Adam A.
I’ve Been Needing An External Storage Expansion Since The Internal Storage For The Series S Is So Little, And This Did Not Disappoint. It’s Very Easy To Use, And It Very Quickly Loaded All The GB Onto The Storage, And It Is Very Compatible With Xbox. The Hard Drive Itself You Stick Into The Back Of the Xbox, it’s practically weightless it’s very tiny so be sure to handle it carefully. So far it has not had any heating issues or any issues at all for that matter. Although it is pricey, getting a used one is just as good it feels as though it is brand new! Definitely would Buy Again ... show more
Reviewed in the United States on August 1, 2026 by Adam A.
    • Extra game memory
Color: Grey Capacity: 1TB Style: Xbox X/S SSD
My grandson was surprised and loved this extra storage for his video games. Just what he wanted. Great price on Amazon too. Less then o. The actual site
Reviewed in the United States on June 23, 2026 by Debbie A.
    • Works Perfect, Just Relatively Expensive
Color: Grey Capacity: 1TB Style: Xbox X/S SSD
Literally a perfect plug and play experience. Just wish you didn't pay such a price premium vs. this same amount of SSD storage in a non-XBox format.
Reviewed in the United States on March 20, 2026 by RM
    • Lots of memory in a small package.
Color: Grey Capacity: 1TB Style: Xbox X/S SSD
Easy to install and does exactly what you expect it to do.
Reviewed in the United States on November 13, 2025 by Gian O.

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