Kingston Canvas React Plus 128GB
Score: 96/100
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 high-performance 128 GB SDXC UHS-II card designed for professional 8K video and fast burst photography, offering top-tier speeds and rugged durability.
| Attribute | | |
|---|---|---|
128 GB | 512 GBbest | |
300 MB/sbest | 170 MB/s | |
260 MB/sbest | 150 MB/s | |
— | 5 yearsbest | |
| ↓ lower better | 10 g | 0.3 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage & Capacity(2) | ||
Capacity (GB) | 128 GB | 512 GB |
Card Type | SDXC | microSDXC |
Performance(4) | ||
Video Speed Class | V90 | V30 |
Maximum Read Speed (MB/s) | 300 MB/s | 170 MB/s |
Maximum Write Speed (MB/s) | 260 MB/s | 150 MB/s |
Bus Interface | UHS-II | UHS-I |
Physical(1) | ||
Weight (g) | 10 g | 0.3 g |
Products in the top-left offer the best value (high score, low price).
Professional reviewers hail it as a cinema-grade card with industry-leading write speeds and rugged reliability, ideal for demanding 8K workflows.
Users praise flawless 4K/8K recording and rapid transfers, while noting occasional compatibility issues on older gear.
“smooth 4K and 8K recording with no lag or corruption”
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.
