Transcend TS256GSDC300S
Score: 80/100
SanDisk Extreme PRO 256GB
Score: 100/100Rankings
The SanDisk 256 GB Extreme PRO SDXC UHS-I offers top-tier read/write performance (200 / 140 MB/s) and rugged protection, making it a strong choice for 4K creators. Its UHS-I bus limits it on cameras that can exploit UHS-II bandwidth, and some users report speed variance with cheaper readers.
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.
| Attribute | | |
|---|---|---|
256 GBbest | 256 GBbest | |
100 MB/s | 200 MB/sbest | |
40 MB/s | 140 MB/sbest | |
5 yearsbest | — | |
| ↓ lower better | 10 g | 2 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 | 200 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 | DSLRs, mirrorless cameras, camcorders, laptops |
Physical(1) | ||
Weight (g) | 10.0 g | 2.0 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 praise the blend of high read/write speeds, V30/U3 ratings and rugged build, recommending it for 4K creators while noting UHS-I is slower than UHS-II cards.
Everyday users highlight reliable performance, fast transfers and durability, but note occasional slower-than-advertised speeds and occasional shipping delays.
