Reads up to 100 MB/s. Philips SDXC memory cards offer plenty of space to securely capture and store your photos, videos, music, and data. The Philips Class 10 UHS-I U3 memory cards are excellent for applications that require high write speeds, such as 4K UHD video recording and recording multiple files. They provide enough capacity for over 18,000 photos or 640 minutes of Full HD video. The V30 video class speed offers the right specifications for 4K UHD video recording. This UHS-I memory card is designed for recording high-quality videos in real-time without buffering. The SDXC format (Secure Digital Extended Capacity) offers larger capacities and higher transfer speeds than the traditional SD format. Easily expand your (mobile) device with additional storage capacity. It can be used in all devices equipped with an SD card slot, such as HD camcorders and compact cameras.