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Seagate

Seagate Storage Expansion Card for Xbox Series X|S 4TB Solid State Drive - NVMe Expansion SSD for Xbox Series X|S (STJR4000400)

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$873.23

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At a glance

Condition
New
Capacity
4TB
Style
Xbox SSD Expansion
Model
STJR4000400
Storage
4 TB
Weight
30 g
Color
Black
Warranty
2 Year Manufacturer
Works with
Gaming Console

Features 5

  • 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.
  • The only 4TB expansion cardand highest capacity availablethat maximizes Xbox Series X storage, allowing you to collect thousands of games across four generations of Xbox without sacrificing performance.
  • 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 secondsdirectly from the internal SSD or the expansion card.

Description

Instantly expand peak speed and capacity of the most-powerful gaming experience Xbox has ever created with the Seagate Storage Expansion Card for Xbox Series X. Effortlessly compatible with the Xbox Velocity Architecture, experience lightning-fast load times and most dynamic worlds—even improving overall performance of thousands of Xbox, Xbox 360, and Xbox One games. Ultimate power, speed, and compatibility is now at your fingertips.

Specs 28

Digital Storage Capacity 4 TB
Hard Disk Interface PCIE x 4
Connectivity Technology eSATA
Brand Seagate
Special Feature Data Recovery Service
Hard Disk Form Factor 2.5 Inches
Hard Disk Description Solid State Drive
Installation Type Internal Hard Drive

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Top Amazon Reviews

Great add on
Capacity: 1TB Style: Xbox SSD Expansion
The Seagate Storage Expansion Card is hands-down the most seamless storage upgrade you can get for Xbox Series X|S. It plugs directly into the console and works exactly like the internal SSD—no setup headaches, no performance trade-offs, and no compromises. Load times are lightning fast, Quick Resume works flawlessly, and every optimized Series X|S title runs exactly as it should. Unlike external USB drives, this expansion card lets you play next-gen games directly without shuffling installs back and forth, which alone makes it worth considering for serious players. The biggest downside is the price. It’s definitely more expensive than standard external SSDs, but you’re paying for native integration, NVMe speeds, and guaranteed compatibility. If performance and convenience matter more than saving a few dollars, this card delivers. Overall, it’s an expensive but premium solution that feels like it should’ve been included with the console. If you want more space without sacrificing speed or features, the Seagate Expansion Card is the gold standard. ... show more
Reviewed in the United States on February 28, 2026 by Jay Jacoby
Seamless And Speedy Integration
Capacity: 1TB Style: Xbox SSD Expansion
Works well, and is ready to plug and play out of the box. Highly recommended as part of a storage solution for your Xbox needs. Even if you have a 1tb Xbox this will match its 802gb of usable space and top it off with an additional 117gb, for a total of 919gb of added storage. I have a 512gb Series S, which is only 364gb user available space. So you can imagine the dramatic increase given by this drive. The internal storage is currently home to eight games, five of which are AAA titles. Total space taken is 359gb, along with 1.5gb of apps. So, 361.5gb of 364 available, and that's a wrap. This Seagate drive? 24 games installed on it, 15 are AAA titles, and there is still 14.3 gb leftover. So as the raw numbers suggest and all other things being equal, yes. It tripled the storage of the internal drive and functions just like it. Fast, seamless, no fuss at all. Great product that helps organize, expand, and run games on your Xbox. A worthy purchase to be sure. ... show more
Reviewed in the United States on December 4, 2025 by J.H.
Bit pricey but it is a very solid product and it does exactly what it's supposed to
Capacity: 1TB Style: Xbox SSD Expansion
TLDR at the very bottom I was skeptical about buying one, all that money for storage, really? No thank you. Well... that worked for me for a while lol but eventually I hit that point where it was unavoidable, I had to get something. I deal with tech all the time, I'm no expert, but I'd like to think my judgement is solid, fair, and reasonable. Anyway I'll get on to it. Pros: I know being pricey isn't exactly a pro because it is no doubt expensive but in my honest opinion it's well worth it for both but especially the 1TB. I would recommend waiting for a sale or something if you're strapped. Don't fall for FOMO. They're extremely reliable, function is genuinely impressive(no exaggeration, it is just as advertised and is just as fast as the internal drive), it is compatible with both the Xbox Series X & Xbox Series S ONLY, should be obvious but just in case. I do like the design it is very sleek, sexy, and thin but still built solid. It reminds me of the memory cards for all the old consoles we had to buy back in the day. The quality impressed me as well, no it's nothing revolutionary, but they are bult very well and they have a clear protection cap to put on the end of the card for when/if you take it out of the console so it doesn't get scratched. Small thing but I like the size, I was expecting it to be massive-ish but it's kinda tiny Cons: I do wish it wasn't as much as it is, it is a lot of money but you CAN find deals, also look at the New & Used section as well. I still feel like it's worth it for the 1TB but the 2TB price is ridiculous. $250+ - $350+ cannot be justified. It's worth MAYBE $220 at most. I wish there was a hub for the Series X and S so you could have 2 Storage Expansion Cards plugged into the console all at once because I have three of the 1TB Cards. Be VERY careful pulling it OUT of the console, it can scratch the plug in part of the Card easily so take it out as straight as possible if you have to take it out. Don't be wiggling it. The scratches won't ruin it but still... be careful. Anyway TLDR; I do recommend it, very solid product and I think the 1 TB is the perfect option but if you do have the money I'd get the 2 TB but ONLY if the 2TB is on sale. Don't forget sometimes they have the payment plans and also look for some that are in the New & Used section, you can genuinely get better prices occasionally and yes they are worth it even if it is Used. Might get one with a slight scratch or tiny cosmetic damage. They always test the product before sending it to you. ... show more
Reviewed in the United States on July 26, 2025 by James Jones
4TB
Capacity: 4TB Style: Xbox SSD Expansion
Works right out of the box. Plug and play. 3.7 tb out of the advertised 4tb. Expensive but worth it when on sale. As I started using my Xbox series X more the 1tb expansion card wasn't enough. With 4tb I don't have to worry about storage for a while. I wished these drives were standardized so that laptops and desktops use them. These would be perfect for laptop use. Very compact SSD. I would love to use the 1tb I have laying around now on my laptop. ... show more
Reviewed in the United States on February 17, 2026 by Chris Jones
3.7 TB after formatting. Was worth it for me. Less game swapping and re-downloading. 3.7 TB after formatting. Was worth it for me. Less game swapping and re-downloading.
Capacity: 4TB Style: Xbox SSD Expansion
Review Image by Mark Clyde
Review is for the 4 TB card. Expensive little bugger. It actually holds 3.7 TB once formatted (and it does come formatted). I.m the kind of guy who likes to keep my library local rather than download-delete-redownload due to capacity limitations. So I’ve got the 1 TB internal and two 16 TB Western Digital Element externals. I had a 1 TB expansion card but decided to upgrade to the 4 TB. Games (especially the X|S jobs) are getting so darn big these days — looking at you Call Of Duty — ridiculous). Some of them 200+ GB. I found myself moving stuff around way too much. Now having 5 GB (well 4.5 GB for games after formatting) between the internal and expansion is a breath of fresh air for me. Again, a bit pricey, but if you can swing it it’s soooo nice having the extra space for those X|S games (which MUST be played from either the internal or expansion). A few games are tagged as X|S but are still Durango under the hood so they can still be played from the externals without swapping (Halo MCC and Mass Effect Legendary come to mind). It was important to me so I didn’t mind dropping the $$$. Works great, just like the old 1 TB internal had n there….just bigger. ... show more
Reviewed in the United States on November 13, 2025 Reviewed in the United States on November 13, 2025 by Mark Clyde
Lots of storage. And works great.
Capacity: 2TB Style: Xbox SSD Expansion
Caught this on sale and it was definitely worth the money! I have a LOT of games on my Xbox Series X and this storage expansion card is compatible and has been more than enough! It works well and I haven't had any issues with it. Good quality and boot time is extremely quick. Size is convenient enough to make inserting and removing the card easy. There's no buzzing or humming noise. It even comes with a nice protective case. I recommend this item. ... show more
Reviewed in the United States on January 20, 2026 by Coe Teezee
Works Great, But Very Pricey! (Ouch, It Hurt My Wallet)
Capacity: 1TB Style: Xbox SSD Expansion
This expansion card gets the job done, but is also very expensive! I bought this expansion card because my 500GB Xbox Series S was running out of space, and I wanted to buy more games. I tried looking in the market for an affordable expansion card, but I couldn't find any that would provide the same performance as this one would. I really struggled with the idea of shelling out $100+ for more space, but during the Black Friday event, I managed to snatch it for a discount. I think that if you buy this expansion card for a nice discount, then it's a 5/5 stars. Otherwise, it's a 4/5 for me. ... show more
Reviewed in the United States on April 4, 2026 by Saul L. Lucas
Handy way to improve gaming storage
Capacity: 2TB Style: Xbox SSD Expansion
Liking this expansion card because I can run my latest games directly from it. It’s a huge time saver at work when I need quick access to large files. The cost is higher than regular external SSDs, but the seamless setup, fast NVMe speeds, and reliable compatibility make it worth considering for anyone looking to boost their gaming or productivity setup. ... show more
Reviewed in the United States on April 13, 2026 by Camille Garrison
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