Silicon Power 256GB
Score: 61/100
Silicon Power 512GB
Score: 100/100Rankings
A 512 GB microSDXC U3/V30/A2 card delivering up to 170 MB/s read and 150 MB/s write, rugged durability and high-endurance options, suited for 4K video, Android apps and demanding outdoor use.
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 GB | 512 GBbest | |
100 MB/s | 170 MB/sbest | |
80 MB/s | 150 MB/sbest | |
1 years | 5 yearsbest | |
| ↓ lower better | 0.3 gbest | 0.3 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage & Capacity(1) | ||
Capacity (GB) | 256 GB | 512 GB |
Performance(3) | ||
Maximum Read Speed (MB/s) | 100 MB/s | 170 MB/s |
Maximum Write Speed (MB/s) | 80 MB/s | 150 MB/s |
Application Performance Class | A1 | A2 |
Warranty(1) | ||
Warranty Period (years) | 1 years | 5 years |
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.
Professional reviewers consider Silicon Power's 512 GB U3 cards reliable mid-tier options that deliver solid 4K video performance and useful A2 app acceleration, highlighting durability, endurance features and a long warranty as key strengths, while noting they don't match the top speeds of SanDisk or Samsung.
Everyday users praise the cards for consistent 4K recording, good durability and the long warranty, especially noting the High Endurance model's reliability in dashcams, but also mention occasional speed variability, confusing model labels 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.”
