Amazon Basics 256GB Micro SDXC
Score: 85/100
SanDisk Ultra Plus 128GB
Score: 75/100Rankings
The Amazon Basics 256 GB microSDXC offers solid 100 MB/s read performance, A2 app class, and a full-size adapter in a rugged, waterproof package, making it a budget-friendly choice for 4K video and mobile storage. Its durability features and broad device compatibility add to its appeal, though write speeds are modest and warranty coverage is limited.
The SanDisk Ultra Plus 128 GB SDXC UHS-I card offers reliable storage for photos, Full HD and entry-level 4K video, with decent read speeds and robust durability. Its A1 app rating and 10-year warranty make it a solid budget choice, though write speeds and UHS-I limits keep it out of the professional tier.
| Attribute | | |
|---|---|---|
256 GBbest | 128 GB | |
100 MB/s | 140 MB/sbest | |
90 MB/sbest | 62.9 MB/s | |
— | 10 yearsbest | |
| ↓ lower better | 0.9 gbest | 2.27 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage & Capacity(2) | ||
Capacity (GB) | 256 GB | 128 GB |
Card Type | microSDXC | SDXC |
Performance(5) | ||
UHS Speed Class | U3 | U1 |
Video Speed Class | V30 | V10 |
Maximum Read Speed (MB/s) | 100 MB/s | 140 MB/s |
Maximum Write Speed (MB/s) | 90 MB/s | 62.9 MB/s |
Application Performance Class | A2 | A1 |
Compatibility(1) | ||
Compatible Devices | Smartphones, tablets, DSLRs, action cameras, drones, laptops, game consoles (except Nintendo Switch 2), car audio systems | Cameras, drones, tablets, smartphones, Nintendo Switch, GoPro Hero 7, LG Stylo series |
Physical(1) | ||
Weight (g) | 0.9 g | 2.27 g |
Products in the top-left offer the best value (high score, low price).
Professional reviewers from Manuals+.net, BensBargains and ImproveTheWorld.net praise the card for its high-speed transfer rates, reliable 4K video support and A2 app performance, noting it as a great deal and a top-selling Amazon Choice.
Everyday users consistently commend the card for delivering the advertised capacity, fast and dependable performance in cameras and drones, and exceptional price per gigabyte.
“True 128GB capacity”
“Fast and reliable”
“Great for cameras”
Professional reviewers acknowledge the Ultra Plus as a solid, budget-friendly option that delivers consistent read performance and adequate write speeds for everyday photography and Full HD video.
Everyday users overwhelmingly rate the card highly, highlighting its large capacity, dependable reliability, and durability across a range of gadgets.
