
SanDisk Ultra 256GB microSD
Score: 90/100
Lexar Silver Plus 256GB
Score: 86/100Rankings

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.

The Lexar 256 GB Silver Plus microSDXC offers top-tier UHS-I speeds, robust durability and a lifetime warranty, making it ideal for 4K creators and gamers. Its performance is strong but capped by the UHS-I interface, and real-world write speeds can vary.
| Attribute | ![]() | ![]() |
|---|---|---|
256 GBbest | 256 GBbest | |
150 MB/s | 205 MB/sbest | |
30 MB/s | 150 MB/sbest | |
10 yearsbest | 10 yearsbest | |
| ↓ lower better | 4.5 g | 0.2 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(5) | ||
UHS Speed Class | U1 | U3 |
Maximum Read Speed (MB/s) | 150 MB/s | 205 MB/s |
Maximum Write Speed (MB/s) | 30 MB/s | 150 MB/s |
Speed Class | Class 10 | C10 |
Application Performance Class | A1 | A2 |
Compatibility(1) | ||
Compatible Devices | Android smartphones, tablets, Chromebooks, Windows laptops, Nintendo Switch (not Switch 2), cameras with SD slot | Drones (DJI), Action Cameras (GoPro), Handheld Consoles (Steam Deck, Nintendo Switch), Smartphones, Tablets |
Physical(1) | ||
Weight (g) | 4.5 g | 0.2 g |

Products in the top-left offer the best value (high score, low price).

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.

“Works perfectly”

“Writes are slow on large transfers.”

“Fast read speeds make file transfers quick”




Professional reviewers praise the card for pushing UHS-I limits with read speeds up to 205 MB/s and a solid 150 MB/s write rate, noting its robust construction and adapter, but caution that the UHS-I interface remains a bottleneck for 8K or high-bitrate workflows.
Everyday users commend the card's reliable 4K recording, rugged durability, and the convenience of the included adapter, while frequently mentioning that generic readers don't reach the advertised speeds and that a few older devices struggle with compatibility.