Transcend microSDXC 300S Memory Card

• 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 up space on their device, making random read/write performance crucial. Transcend’s 300S is a good fit for storing mobile apps.

• Application Performance Class 1 (A1)

The Application Performance Class 1 (A1) standard was introduced to adapt this trend of storing apps from microSD cards. This 300S memory card meets the A1 standard, delivering minimum random reads of 1500 IOPS, random writes of 500 IOPS, and sustained sequential speeds of at least 10 MB/s.

• Transfer Capabilities

Transcend’s 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 95 MB/s and 40 MB/s respectively, plus minimum write speeds of 30 MB/s.

• Store Apps, Photos, and Videos

In addition to strong random read/write performance, Transcend’s 300S memory cards feature a storage capacity of 256GB, allowing you to keep more digital files and apps at hand.

• Built for Extremes

To deliver improved performance and stability, Transcend’s 300S microSD memory cards are tested to withstand extreme conditions.

• Waterproof

Meets JIS IPX7 standards that can withstand immersion in 3.3′ of water for up to 30 minutes.

• Temperature Proof

Can operate in extreme temperatures ranging from -13 to 185°F.

• Static Proof

Meets EMC IEC61000-4-2 standards and withstand static electricity.

• X-Ray Proof

Meet the ISO7816-1 standard to resist airport X-rays.

• Shock Proof

Provides resistance against shock, vibrations, bending, and twisting.