Amazon Basics 256GB Micro SDXC
Score: 85/100
Gigastone 256GB microSD
Score: 98/100Rankings
The Gigastone 256 GB microSDXC offers strong 4K video capability, solid durability and a unique 5-year data-recovery warranty, making it a dependable mid-range choice. Real-world write speeds fall short of the advertised maximum, which may limit high-bit-rate use cases.
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.
| Attribute | | |
|---|---|---|
256 GBbest | 256 GBbest | |
100 MB/s | 130 MB/sbest | |
90 MB/sbest | 85 MB/s | |
— | 5 yearsbest | |
| ↓ lower better | 0.9 g | 0.57 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
UHS Speed Class | U3 | UHS-I |
Maximum Read Speed (MB/s) | 100 MB/s | 130 MB/s |
Maximum Write Speed (MB/s) | 90 MB/s | 85 MB/s |
Compatibility(1) | ||
Compatible Devices | Smartphones, tablets, DSLRs, action cameras, drones, laptops, game consoles (except Nintendo Switch 2), car audio systems | GoPro, DJI, Drone, Security Camera, Nintendo Switch, Smartphones, Tablets, PC, Camera, DSLR, Dash Cam, Camcorder, Surveillance, e-Reader, etc. |
Physical(1) | ||
Weight (g) | 0.9 g | 0.57 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 praise the reliable 4K capture and durability, noting the free 5-year data recovery as a unique value add while cautioning that real-world speeds can be lower than advertised.
Everyday users appreciate the robust build and long warranty, but many report write speeds that don't match marketing claims and occasional freezing on lower-end cameras.
