Seagate
Seagate Storage Expansion Card for Xbox Series X|S (2TB)
Ranked #1 of 3 in Best SSD for PS5 and Xbox Series X
Best for large libraries
From $259.99Approximate — prices change and we do not track them in real time
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Key specifications
- Capacity
- 2TB
- Interface
- PCIe Gen4x2 NVMe, proprietary expansion slot
- Sequential read/write
- 7,000 MB/s read, 5,000 MB/s write — matches the console's internal SSD
- Install
- Slots directly into the console's rear expansion port, no tools
Our verdict
If you already know you delete games to make room regularly, this is the one to buy — the cost-per-GB is clearly better than the 1TB card, and there's no cheaper way to get certified Xbox Series X|S expansion storage at this capacity.
How it scores
Each criterion is scored 0-100 from published specs and lab-tested figures in the sources below, then weighted by the fixed formula this category uses. The weights are the same for every product here.
Speed30% of score
85
Ease Of Setup20% of score
98
Price Value25% of score
65
Capacity Value25% of score
85
Strengths and limitations
Pros
- Meaningfully better cost-per-GB than the 1TB card
- Same plug-and-play install and full Velocity Architecture support as the 1TB model
- Room for GTA VI plus a large existing library without managing installs
Cons
- Roughly $100 more than the 1TB card at current pricing
Where this product appears
Also worth a look
Sources: Windows Central (2024-11-06) · StorageReview (2025-06-24)Last checked by Picksights 2026-07-29