
Transcend TS256GSDC300S
Score: 80/100
Lexar Professional Silver 256GB
Score: 72/100Rankings

The Transcend 256 GB UHS-I SDXC card delivers solid U3/V30 performance, robust durability, and a generous warranty, making it a reliable mid-tier choice for 4K video and high-resolution photography, though its write ceiling is lower than some premium alternatives.

The Lexar 256 GB Professional Silver SD Card is a high-capacity, UHS-I card delivering up to 205 MB/s read and 140 MB/s write speeds with V30 video rating and robust durability. It targets enthusiast photographers and videographers who need fast transfers and rugged protection, but it lacks UHS-II performance.
| Attribute | ![]() | ![]() |
|---|---|---|
256 GBbest | 256 GBbest | |
100 MB/s | 205 MB/sbest | |
40 MB/s | 140 MB/sbest | |
5 yearsbest | — | |
| ↓ lower better | 10 g | 1.73 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Maximum Read Speed (MB/s) | 100 MB/s | 205 MB/s |
Maximum Write Speed (MB/s) | 40 MB/s | 140 MB/s |
Compatibility(1) | ||
Compatible Devices | Canon, Nikon, Sony, Pentax, Kodak, Olympus, Panasonic Digital Cameras | Wide compatibility with major camera brands, drones and action cams |
Physical(1) | ||
Weight (g) | 10.0 g | 1.73 g |

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

Professional reviewers from B&H and ProVantage highlight the card's strict adherence to V30 and U3 speed classes, praising its reliability for 4K UHD video and burst-mode RAW photography, while noting the 40 MB/s write ceiling lags behind faster UHS-II competitors.
Everyday users consistently commend the card's dependable in-camera performance, large capacity, and bundled recovery utility, but mention slower off-camera transfer rates, especially with low-quality USB 2.0 readers.

“While performance in-camera was excellent, USB 2.0 transfer speeds were around 19 MB/s, which can make offloading large files time-consuming.”

“The waterproof and shock-proof build gives me confidence shooting outdoors in harsh conditions.”

“Great value for 256 GB with a 5-year warranty and recovery software included.”




Professional reviewers commend the Lexar Professional Silver SD Card for its standout 205 MB/s read speed, reliable V30 4K performance, and best-in-class durability protections, positioning it as a strong mid-range option.
Everyday users praise the card for its fast transfers, rugged build that survives water and drops, and the inclusion of free recovery software. Common complaints revolve around occasional write-speed throttling during extended 4K shoots and some expectations of UHS-II-level performance.