Silicon Power 512GB
Score: 100/100
Lexar Silver Plus 256GB
Score: 86/100Rankings
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.
The Lexar 256 GB Silver Plus microSDXC offers top-tier UHS-I speeds, robust durability and a lifetime warranty, making it ideal for 4K creators and gamers. Its performance is strong but capped by the UHS-I interface, and real-world write speeds can vary.
| Attribute | | |
|---|---|---|
512 GBbest | 256 GB | |
170 MB/s | 205 MB/sbest | |
150 MB/sbest | 150 MB/sbest | |
5 years | 10 yearsbest | |
| ↓ lower better | 0.3 g | 0.2 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage & Capacity(1) | ||
Capacity (GB) | 512 GB | 256 GB |
Performance(1) | ||
Maximum Read Speed (MB/s) | 170 MB/s | 205 MB/s |
Warranty(1) | ||
Warranty Period (years) | 5 years | 10 years |
Physical(1) | ||
Weight (g) | 0.3 g | 0.2 g |
Products in the top-left offer the best value (high score, low price).
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.
“Up to 205 MB/s read speed exceeding typical UHS-I performance”
“Rugged durability with IPX7 waterproof rating is a game-changer for outdoor shoots”
“The included SD adapter makes it work in my DSLR without extra accessories”
Professional reviewers praise the card for pushing UHS-I limits with read speeds up to 205 MB/s and a solid 150 MB/s write rate, noting its robust construction and adapter, but caution that the UHS-I interface remains a bottleneck for 8K or high-bitrate workflows.
Everyday users commend the card's reliable 4K recording, rugged durability, and the convenience of the included adapter, while frequently mentioning that generic readers don't reach the advertised speeds and that a few older devices struggle with compatibility.
