Silicon Power 256GB
Score: 61/100
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.
A 256 GB microSDXC U3/V30 card with A1 app performance, 100 MB/s read and 80 MB/s write, rugged build and a full-size adapter, positioned as a cost-effective option for 4K30 video and Android storage expansion.
| Attribute | | |
|---|---|---|
256 GBbest | 256 GBbest | |
100 MB/s | 130 MB/sbest | |
80 MB/s | 85 MB/sbest | |
1 years | 5 yearsbest | |
| ↓ lower better | 0.3 gbest | 0.57 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(4) | ||
UHS Speed Class | U3 | UHS-I |
Maximum Read Speed (MB/s) | 100 MB/s | 130 MB/s |
Maximum Write Speed (MB/s) | 80 MB/s | 85 MB/s |
Application Performance Class | A1 | A2 |
Compatibility(1) | ||
Compatible Devices | Nintendo Switch, smartphones, tablets, drones, action cameras, DSLR, mirrorless cameras, 4K/Full HD camcorders | GoPro, DJI, Drone, Security Camera, Nintendo Switch, Smartphones, Tablets, PC, Camera, DSLR, Dash Cam, Camcorder, Surveillance, e-Reader, etc. |
Warranty(1) | ||
Warranty Period (years) | 1 years | 5 years |
Physical(1) | ||
Weight (g) | 0.3 g | 0.57 g |
Products in the top-left offer the best value (high score, low price).
Professional reviewers note that the Silicon Power card offers dependable performance for everyday creators, matching the core specs of more expensive brands while delivering superior durability and a generous warranty, but its lack of A2 class performance and limited write speed for high-bitrate 4K60 or 8K workflows make it less suitable for professional video production.
Everyday users praise the card's fast transfer rates, rugged build and excellent price-to-capacity ratio, especially for travel, drones and Android app storage, while recurring complaints focus on occasional speed drops, lower-than-advertised write speeds on some units, and incompatibility with the upcoming Switch 2.
“Fast transfer speeds-great for Steam Deck and Android phones.”
“Perfect for DJI Osmo Pocket 3-handles 4K smoothly.”
“Durable and reliable during hiking and travel.”
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.
