WD_BLACK
WD_BLACK C50 Expansion Card for Xbox Series X|S (1TB)
Ranked #2 of 3 in Best SSD for PS5 and Xbox Series X
Best value
From $149.99Approximate — prices change and we do not track them in real time
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Key specifications
- Capacity
- 1 TB (also sold in 512GB and 2TB)
- Format
- Proprietary expansion card — Xbox Series X|S rear port only
- Performance
- Matches the console's internal drive; full Xbox Velocity Architecture and Quick Resume support
- Installation
- Plug-and-play, hot-swappable, no tools required
Our verdict
The arrival of this card is the reason Xbox storage stopped being a one-brand market. Performance is indistinguishable from Seagate's — both match the internal drive — so the decision comes down to price, and this one usually undercuts it. Buy whichever is cheaper on the day.
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
78
Capacity Value25% of score
55
Strengths and limitations
Pros
- Functionally identical performance to the Seagate card, including Quick Resume support
- Consistently cheaper than Seagate at the same capacity
- Available in 512GB, 1TB and 2TB, so there is a genuine entry point
Cons
- Still far more expensive per gigabyte than a standard NVMe drive
- Proprietary format — it works only in an Xbox Series X|S expansion port
Where this product appears
Also worth a look
Sources: GamesRadar+ review (2025-04-01) · Windows Central review (2023-11-15)Last checked by Picksights 2026-07-29