Transcend 64 GB MicroSDXC SDHC 300S Flash Memory

Transcend microSDXC/SDHC 300S memory cards are designed to store mobile apps and multimedia while freeing internal device space. Compliant with the Application Performance Class (A1), these cards deliver improved random read/write performance to speed up app launch and data retrieval. Capacities are available up to 128GB and certain capacities meet UHS speed standards for high-resolution video recording.

Advantages

These microSD cards provide minimum random read/write performance required for running apps from external storage, with A1 ratings that ensure at least 1,500 IOPS random read and 500 IOPS random write. Select capacities also meet U3 and V30 standards for 4K Ultra HD recording, and the cards offer maximum read speeds up to 95 MB/s and write speeds up to 45 MB/s. They are tested for durability against water, temperature extremes, static, X-rays and mechanical shock. Free RecoveRx software is available for data recovery.

Key specifications

• Performance class: Application Performance Class A1 (min. 1,500 IOPS read / 500 IOPS write)
• UHS/Video class: U3 and V30 (applies to 128GB–256GB capacities)
• Sequential read speed: up to 95 MB/s
• Sequential write speed: up to 45 MB/s
• Capacities: up to 128GB
• Operating temperature: -25°C to 85°C
• Waterproof: JIS IPX7 (immersion up to 1 m for 30 min)
• Static protection: meets EMC IEC61000-4-2
• X-ray proof: meets ISO7816-1
• Durability: shock, vibration, bending and twisting resistance
• Software: RecoveRx data recovery utility (free)

How to use

Insert the Transcend microSDXC/SDHC 300S card into a compatible device slot or adapter and format it if prompted by the device. To run mobile apps from the card, follow your device’s settings for app storage or adoptable storage and move or install apps to the microSD card. Use the card within the specified temperature range and handle it gently to maintain reliability. For file recovery, install RecoveRx on a computer and follow the software instructions to scan the memory card.

Recommendations

Choose the card capacity that fits your app and media needs; for 4K video recording, select capacities that meet U3/V30 (128GB and above). Regularly back up important data and use RecoveRx promptly if files are accidentally deleted.