
Lexar Professional Silver Pro 128GB
Score: 74/100
ProGrade Digital Iridium 256GB
Score: 47/100Rankings

The Lexar 128 GB Professional SILVER PRO SDXC UHS-II card delivers industry-leading read speeds and a V60 video rating, packaged in a rugged, weather-proof design with a lifetime warranty and recovery software. It balances speed and durability for 4K shooters, though its write speed trails the very fastest UHS-II competitors.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 256 GBbest | |
280 MB/s | 300 MB/sbest | |
120 MB/s | 275 MB/sbest | |
— | 3 yearsbest | |
| ↓ lower better | 2 gbest | 15.9 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage & Capacity(1) | ||
Capacity (GB) | 128 GB | 256 GB |
Performance(3) | ||
Video Speed Class | V60 | V90 |
Maximum Read Speed (MB/s) | 280 MB/s | 300 MB/s |
Maximum Write Speed (MB/s) | 120 MB/s | 275 MB/s |
Compatibility(1) | ||
Compatible Devices | Backward compatible with UHS-I devices | Canon, Sony, Nikon, Olympus, Panasonic, Fuji, Samsung |
Physical(1) | ||
Weight (g) | 2 g | 15.9 g |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the SILVER PRO for its industry-leading read speed and reliable V60 performance, noting its extensive compatibility testing and rugged build. However, they point out that its sustained write speed trails the very best UHS-II cards, making it a solid mid-tier choice but not the top pick for the most demanding video workflows.
Everyday users consistently praise the card's fast transfer rates and rugged durability, especially in harsh outdoor conditions, and value the lifetime warranty. Common complaints revolve around slower-than-advertised write speeds in burst shooting and occasional performance drops with older readers or specific camera models.

“fast transfer speeds, noting that large photo batches and 4K video clips import quickly into editing software.”

“no dropped frames or errors”

“flawless 4K video recording”



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™.