
Transcend
The Transcend 256GB 300S UHS‑I SDXC Memory Card offers U3/V30‑rated performance with up to 100 MB/s read and 40 MB/s write speeds, combined with rugged waterproof, shock‑proof and X‑ray‑proof durability. It includes free RecoveRx recovery software and a 5‑year limited warranty, making it a solid mid‑tier choice for 4K video and high‑resolution photography.
Pros
Cons
Current
$46.50
Average
$25.43
Lowest
$16.99
Highest
$52.25
Lower = better sales rank
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From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
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Best For
Photographers needing high‑capacity, reliable storage for RAW + JPEG burst shooting; videographers recording 4K UHD, Full HD or 3D video on UHS‑I cameras; travel and outdoor enthusiasts requiring waterproof and shock‑proof media; drone operators using UHS‑I, V30‑rated cameras; budget‑conscious professionals balancing cost and durability.
Not Ideal For
High‑end cinema cameras or workflows demanding sustained write speeds above 60 MB/s; users who rely on ultra‑fast off‑loading via USB 3.0 or need the fastest possible write performance for high‑bitrate 4K/8K video; environments where only a USB 2.0 reader is available.
Expert Opinion
Professional reviewers from B&H and ProVantage highlight the card's strict adherence to V30 and U3 speed classes, making it a reliable choice for 4K UHD video and burst‑mode RAW photography. They praise its rugged build and warranty, but note that its 40 MB/s write ceiling lags behind faster UHS‑II competitors, and that older devices will see reduced speeds.
What Users Say
Everyday users consistently commend the card for its dependable in‑camera performance, large capacity, and the usefulness of the bundled RecoveRx utility. Common complaints revolve around slower off‑camera transfer rates, especially when using low‑quality or USB 2.0 readers, and occasional observations that real‑world write speeds hover just above the V30 minimum.
Common Complaints
Transfer speeds vary widely with different card readers. USB 2.0 off‑loading can be as slow as 19 MB/s. Write speed caps at 40 MB/s, lower than premium alternatives
What People Are Saying
“While performance in-camera was excellent, USB 2.0 transfer speeds were around 19 MB/s, which can make offloading large files time‑consuming.”
How It Compares
vs. SanDisk 256GB Extreme PRO
Advantages
Disadvantages
Choose SanDisk if you need the fastest write performance for high‑bitrate 4K or 8K video; otherwise Transcend offers better value and durability.
vs. PNY 256GB PRO Elite
Advantages
Disadvantages
PNY is a strong performance alternative, but Transcend provides a longer warranty and RecoveRx utility at a lower cost.
vs. Transcend TS256GSDU3
Advantages
Disadvantages
The older U3 model is better for users needing faster writes, while the 300S is preferable for those valuing the longer warranty and bundled software.