Silicon Power 256GB
Score: 61/100
SanDisk Ultra 256GB microSD
Score: 90/100Rankings
The SanDisk 256GB Ultra microSDXC offers high capacity, fast read performance and rugged durability, but its write speed is limited and it lacks 4K video certification.
A 256 GB microSDXC U3/V30 card with A1 app performance, 100 MB/s read and 80 MB/s write, rugged build and a full-size adapter, positioned as a cost-effective option for 4K30 video and Android storage expansion.
| Attribute | | |
|---|---|---|
256 GBbest | 256 GBbest | |
100 MB/s | 150 MB/sbest | |
80 MB/sbest | 30 MB/s | |
1 years | 10 yearsbest | |
| ↓ lower better | 0.3 gbest | 4.5 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
UHS Speed Class | U3 | U1 |
Maximum Read Speed (MB/s) | 100 MB/s | 150 MB/s |
Maximum Write Speed (MB/s) | 80 MB/s | 30 MB/s |
Compatibility(1) | ||
Compatible Devices | Nintendo Switch, smartphones, tablets, drones, action cameras, DSLR, mirrorless cameras, 4K/Full HD camcorders | Android smartphones, tablets, Chromebooks, Windows laptops, Nintendo Switch (not Switch 2), cameras with SD slot |
Warranty(1) | ||
Warranty Period (years) | 1 years | 10 years |
Physical(1) | ||
Weight (g) | 0.3 g | 4.5 g |
Products in the top-left offer the best value (high score, low price).
Professional reviewers note that the Silicon Power card offers dependable performance for everyday creators, matching the core specs of more expensive brands while delivering superior durability and a generous warranty, but its lack of A2 class performance and limited write speed for high-bitrate 4K60 or 8K workflows make it less suitable for professional video production.
Everyday users praise the card's fast transfer rates, rugged build and excellent price-to-capacity ratio, especially for travel, drones and Android app storage, while recurring complaints focus on occasional speed drops, lower-than-advertised write speeds on some units, and incompatibility with the upcoming Switch 2.
“Fast transfer speeds-great for Steam Deck and Android phones.”
“Perfect for DJI Osmo Pocket 3-handles 4K smoothly.”
“Durable and reliable during hiking and travel.”
Professional reviewers highlight the Ultra 256GB as a solid, value-driven choice for Full HD video and Android app storage, praising its fast read speeds and rugged build while noting its limited write performance and lack of 4K support.
Everyday users appreciate the card's reliability, capacity, and durability, often noting it works straight out of the box and improves app responsiveness, but many complain about slower write speeds and the inability to handle 4K video.
