Seagate
Seagate Storage Expansion Card for Xbox Series X|S 1 TB Solid State Drive - NVMe Expansion SSD for Xbox Series X|S (STJR1000400)
*Price sourced from Amazon.com. Last updated 2026-05-07. Price and availability subject to change.
Instantly expand the peak speed capacity of the most-powerful gaming experience Xbox has ever created with the Seagate Storage Expansion Card for Xbox Series X|S. 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.
SpecPicks Verdict
SpecPicks classifies Seagate Storage Expansion Card for Xbox Series X|S 1 TB Solid State D… as a category leader on buyer feedback in the ssds & storage category, based on 30,319 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Seagate's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Key Features
- 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.
- Every game that plays from the Storage Expansion Card for Xbox Series X|S plays at the same peak levels as the console’s internal SSD. That includes thousands of Original Xbox, Xbox 360, and Xbox One games.
- Officially licensed storage expansion card designed using Xbox Velocity Architecture to provide faster load times, richer environments and more immersive game play.
- Quick resume means gamers can switch between multiple titles in seconds — directly from the internal SSD or the expansion card.
- Enjoy long-term peace of mind with the included 3-year limited warranty.
Full Specifications
| Brand | Seagate |
|---|---|
| Color | SSD |
| Item Width | 3.16 Centimeters |
| Model Name | Storage Expansion Card for Xbox Series X |
| Read Speed | 3750 Megabits Per Second |
| Unit Count | 1.0 Count |
| Form Factor | 2.5-inch |
| Item Length | 7.8 Centimeters |
| Media Speed | 450 MB/s |
| Model Number | STJR1000400 |
| Compatibility | Xbox, Switch |
| Built-In Media | Seagate Expansion SSD 1TB PCIE |
| Hard-Drive Size | 1 TB |
| Number of Items | 1 |
Ready to buy?
Seagate Storage Expansion Card for Xbox Series X|S 1 TB Solid State Drive - NVMe Expansion SSD for Xbox Series X|S (STJR1000400) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-07. Price and availability subject to change.
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