Amazon Basics 128GB microSDXC
Score: 58/100
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.
The Amazon Basics 128 GB microSDXC offers high-performance U3, A2 and V30 ratings at a budget-friendly price, with rugged IPX6 waterproofing and a full-size SD adapter. It's well suited for action cameras, drones and Android devices, though the lowest-capacity models can suffer slower writes and it isn't compatible with the Nintendo Switch 2.
| Attribute | | |
|---|---|---|
128 GB | 256 GBbest | |
100 MB/s | 150 MB/sbest | |
60 MB/sbest | 30 MB/s | |
1 years | 10 yearsbest | |
| ↓ lower better | 8.02 g | 4.5 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage & Capacity(1) | ||
Capacity (GB) | 128 GB | 256 GB |
Performance(4) | ||
UHS Speed Class | U3 | U1 |
Maximum Read Speed (MB/s) | 100 MB/s | 150 MB/s |
Maximum Write Speed (MB/s) | 60 MB/s | 30 MB/s |
Application Performance Class | A2 | A1 |
Compatibility(1) | ||
Compatible Devices | Smartphones, tablets, DSLRs, action cameras, drones, laptops, gaming consoles (except Nintendo Switch 2), car audio systems | 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) | 8.02 g | 4.5 g |
Products in the top-left offer the best value (high score, low price).
Professional reviewers consistently highlight the Amazon Basics Micro SDXC line as a high-value option that delivers near-premium speeds, solid durability, and A2 app performance, making it especially attractive for budget-conscious 4K video creators and Android power users.
Everyday users praise the card for its reliable performance, genuine capacity, ease of use, and excellent price-to-capacity ratio, often noting flawless 4K recording with GoPro and drones. Recurring complaints focus on slower write speeds on lower capacities, occasional fit issues with small GPS units, and the lack of a protective case.
“Works perfectly with my GoPro and drone”
“Fast and reliable”
“Great value”
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.
