Transcend SDXC 300S
- Capacity: 256 GB
- 3D NAND Flash
- Speed classes: UHS-I U3, UHS-I U1, Class 10, V30
- Read speed: max. 95 MB/s
- Write speed: max. 45 MB/s
- JIS IPX7: waterproof to 1m depth for up to 30 minutes
- Meets EMC IEC61000-4-2 standards
- Resistant to X-rays: ISO7816-1