Flash Memory Transcend 512GB MicroSDXC SD Card 300S

Transcend 512GB MicroSDXC SD Card 300S provides large-capacity flash storage for mobile devices and cameras, offering high read speeds up to 95 MB/s and write speeds up to 40 MB/s. Designed to meet Application Performance Class A1 and UHS standards, this MicroSDXC card supports app storage and high-resolution video recording while withstanding water, temperature extremes, static, X-rays and physical shock. The card comes in a silver finish and is compatible with devices that accept microSDXC cards.

Advantages

The Transcend 300S combines high-capacity 512 GB storage with fast sequential read/write performance and A1-rated random IOPS for smoother app launches when running applications from a memory card. Selected capacities comply with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) for reliable 4K and high-bitrate video recording. The card is engineered for durability with IPX7 water resistance, wide operating temperature range, static and X‑ray protection, and shock/vibration resistance. RecoveRx software is available for recovering accidentally deleted files.

Suitable for

• Expanding smartphone or tablet storage and running apps from the microSDXC card
• Recording Full HD and 4K video (U3/V30 compliant in supported capacities)
• Storing large multimedia libraries, photos and application data
• Use in action cameras, drones and devices that require durable storage

Key specifications

• Capacity: 512 GB
• Card type: MicroSDXC
• Read speed: up to 95 MB/s
• Write speed: up to 40 MB/s
• Application Performance Class: A1 (minimum 1,500 IOPS read / 500 IOPS write)
• UHS Speed Class / Video Speed Class: U3 / V30 (applies to supported capacities)
• Operating temperature: -25°C to 85°C
• Durability: IPX7 waterproof, static proof (IEC61000-4-2), X-ray proof (ISO7816-1), shock and vibration resistant
• Color: Silver

How to use

Insert the Transcend microSDXC card into the microSD slot of your smartphone, tablet, camera or other compatible device following the device manufacturer’s instructions. If required, format the card in the device before first use to ensure compatibility. To run apps from the card, use your device settings to move compatible apps and set the card as the app storage location. For file transfer, connect the host device to a computer or use a card reader to copy files to and from the card.

Recommendations

Keep regular backups of important data and format the card in the host device if you change device types. Use U3/V30-capable devices for consistent 4K recording and consult device documentation for app-move support when running applications from microSDXC storage.