Transcend microSDXC/SDHC 300S UHS-I U1 Memory Card

Want to save space on your mobile device by running apps from a memory card? Transcend microSDXC/SDHC 300S cards are the right choice! Compliant with the latest speed class, the cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time.

A good fit for mobile app storage

It’s common for users to install and run mobile apps from microSD cards in order to free device memory. Random read/write performance is thus crucial. Transcend microSDXC/SDHC 300S memory cards are a great fit for storing mobile apps.

Introducing Application Performance Class

The Application Performance Class was introduced to adapt this new trend. Transcend microSDXC/SDHC 300S memory cards meet the new A1 standards, delivering minimum random read of 1,500 IOPS and random write of 500 IOPS, and sustained sequential speeds of at least 10MB/s.

A1 compliance applies only to 32GB-512GB capacity cards. 

Show the transfer capabilities 

Transcend microSDXC/SDHC 300S 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 95MB/s and 40MB/s respectively.

U3 and V30 compliance applies only to 128GB-512GB capacity cards.