Transcend 256 GB Class 10/UHS-I (U3) microSDXC

Aiming for mobile devices and handheld game consoles, Transcend's High Performance microSDXC 330S memory cards compliant with the latest A2 speed class boast excellent random read/write speed for retrieving small pieces of data from random locations, and speeding app launch time.

A good fit for mobile storage

Mobile games and handheld game consoles, such as the Nintendo Switch™, are getting more popular. Both applications require great random read/write performance and storage expansion. Compliant with the latest A2 specification, Transcend's microSDXC 330S memory cards are the right fit for mobile apps and handheld game consoles.

Introducing Application Performance Class

The Application Performance Class was introduced to fulfill the growing need for a better combination of random and sequential performance on mobile devices. Transcend's microSDXC 330S memory cards meet the new A2 standards, delivering minimum random read of 4,000 IOPS and random write of 2,000 IOPS, and sustained sequential speeds of at least 10MB/s.

Show the transfer capabilities

Transcend's microSDXC 330S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recordings, with read/write speeds of up to 100MB/s and 85MB/s respectively.

Store as many as you wish

In addition to excellent random read/write performance, Transcend's microSDXC 330S memory cards come in up to 256GB storage capacity, allowing you to keep more digital files and apps at hand!

Built for extremes

To deliver the best performance and stability, Transcend's microSD memory cards are tested to withstand extreme conditions. They are temperature resistant, waterproof, shock proof, X-ray proof, and static proof.

RecoveRx software

Transcend offers exclusive RecoveRx software, a free data recovery utility that allows you to search deep within a storage device for traces of erased files including digital photos, documents, music and videos.