512GB Transcend 340S microSD UHS-I U3 A2 Ultra Performance Memory Card w/Adapter by Transcend

One of our top picks for gaming on portable devices, and for boosting the storage in any Android device. High performance, super reliable, and backed by one of the largest brands in memory cards, Transcend.

Designed for mobile devices and handheld game consoles, Transcend's Ultra Performance microSDXC 340S memory cards are compliant with the latest A2 speed class and boast excellent random read/write speeds, making them ideal for retrieving small pieces of data from random locations, and quick app launches.

A great choice for mobile storage

Compliant with the latest A2 specification, Transcend's microSDXC 340S memory cards are the right fit for smartphones, handheld game consoles, action cameras, and drone cameras. Great random read/write performance and large capacities make these ideal for pairing with many devices.

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 340S 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.

Stunning transfer capabilities

Transcend's microSDXC 340S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards. By leveraging UHS-I technology, they deliver superior read/write speeds of up to 160MB/s and 125MB/s respectively, ideal for 4K Ultra HD video recordings and a seamless gaming experience!

Store more

Transcend's microSDXC 340S memory cards come in up to 256GB storage capacity, allowing you to keep more gaming 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.