ProGrade Digital SD V60 512GB
Score: 41/100
ProGrade Digital Iridium 256GB
Score: 47/100Rankings
The ProGrade Digital Iridium 256 GB UHS-II V90 SDXC card delivers ultra-fast read/write performance and rugged durability, making it ideal for high-bitrate 4K/6K video and RAW burst photography.
The ProGrade Digital 512 GB UHS-II SDXC V60 card offers solid read/write performance and robust durability for 4K video and fast burst photography, but its speed is modest compared to higher-end UHS-II cards and it requires a compatible host.
| Attribute | | |
|---|---|---|
512 GBbest | 256 GB | |
250 MB/s | 300 MB/sbest | |
130 MB/s | 275 MB/sbest | |
— | 3 yearsbest | |
| ↓ lower better | 9 gbest | 15.9 g |
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(3) | ||
Video Speed Class | V60 | V90 |
Maximum Read Speed (MB/s) | 250 MB/s | 300 MB/s |
Maximum Write Speed (MB/s) | 130 MB/s | 275 MB/s |
Compatibility(1) | ||
Compatible Devices | UHS-I; U3; U1; Class 10 devices | Canon, Sony, Nikon, Olympus, Panasonic, Fuji, Samsung |
Physical(1) | ||
Weight (g) | 9 g | 15.9 g |
Products in the top-left offer the best value (high score, low price).
Professional reviewers from B&H, Filmtools, ProPhoto Supply, and Roberts Camera praise the card for its reliable V60 performance, fast read/write rates, and rugged build, noting it excels in demanding video and burst-photo workflows.
Everyday users report smooth 4K recording with no dropped frames, rapid file transfers, and dependable operation in extreme temperatures, while noting occasional confusion with the microSD version and occasional corruption that can be fixed with Refresh Pro.
“no dropped frames”
“The card maintains performance over hundreds of write cycles”
“no dropped frames or errors”
Professional reviewers from B&H, Leica Camera USA and Filmtools commend the Iridium 256 GB card for its rock-solid reliability, V90 certification and error-correction, highlighting its suitability for high-end DSLR, mirrorless and cinema cameras.
Everyday users consistently rate the card five stars, praising flawless 4K recording, lack of dropped frames and the usefulness of Refresh Pro™.
