
SanDisk Ultra 256GB microSD
Score: 90/100
Lexar E-Series 256GB
Score: 53/100Rankings

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 E-Series 256 GB microSDXC card offers solid read performance and rugged durability for everyday mobile use, but its modest 30 MB/s write speed limits 4K video capture. It includes an SD adapter and a long-term warranty, making it a reliable choice for smartphones and tablets.
| Attribute | ![]() | ![]() |
|---|---|---|
256 GBbest | 256 GBbest | |
150 MB/sbest | 100 MB/s | |
30 MB/sbest | 30 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(2) | ||
UHS Speed Class | U1 | U3 |
Maximum Read Speed (MB/s) | 150 MB/s | 100 MB/s |
Compatibility(1) | ||
Compatible Devices | Android smartphones, tablets, Chromebooks, Windows laptops, Nintendo Switch (not Switch 2), cameras with SD slot | Smartphones, tablets, drones, action cameras, GoPro |
Physical(1) | ||
Weight (g) | 4.5 g | 0.20 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 Lexar Professional 1000x UHS-II for its V60 rating and sustained write speeds, but note that the E-Series write speed is limited to 30 MB/s and can be inconsistent on older devices.
Everyday users commend the card for reliable long-term performance, fast file transfers, and rugged durability, though some complain about inconsistent write speeds and the discontinued status of the E-Series.