SanDisk Extreme 256GB microSD
The default fast card: V30 sustained writes for 4K and the read speed to offload it quickly.
Tracked 2026-10-19. The retailer listing is the price you pay.
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Our take on the SanDisk Extreme 256GB microSD
The SanDisk Extreme 256GB microSD is a V30 card rated A2 for apps, suited to streamers who record 4K on an action camera or a phone. At a tracked $64.20 it sits between $62.50 and $65.99 across nine points from August 25 to October 19, 2026.
The listing is short: it names C10, U3, V30, 4K and A2. A2 matters for phones that run apps from the card. The card is 256GB, enough for a few hours of 4K footage. The price moved only about three dollars in tracking, so there is little to gain from waiting. It has 4.8 across 8,069 retailer ratings, a strong score for a memory card.
- V30 and U3 ratings for 4K video
- A2 rating helps with phone apps
- 4.8 across 8,069 retailer ratings
- 256GB fills quickly on 4K
- Listing gives few details beyond the ratings
- Price moves only a few dollars in tracking
Where it fits in a build
Local recording as a backup of the live feed in case the signal drops. See every storage pick
| Capacity | 256GB |
| Speed | Up to 190MB/s, V30 |
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SanDisk Extreme 256GB microSD
$64.20Tracked 2026-10-19
Buy links are affiliate links: we earn a commission at no extra cost to you. Prices are tracked estimates, not live prices. Full disclosure
We do not lab-test hardware. Ratings and review counts come from the retailer listing and are labelled as such; stream-quality figures are conservative planning budgets from our published model. Prices are tracked at build time, not live, and were last refreshed 2026-10-22. How the numbers are derived: methodology. How picks are chosen: editorial policy.