Specifications

The SanDisk Extreme PRO SDXC UHS-I 256 GB (SDSDXXD-256G-GN4IN)
is a high-performance memory card designed for professional photography
and 4K video. It supports a UHS-I interface and carries speed class ratings
U3 / V30 / Class 10, ensuring sustained performance. The card offers sequential
read speeds up to 200 MB/s and sequential write speeds up to 140 MB/s, making it
ideal for burst shooting and smooth video recording. It supports SanDisk’s QuickFlow
technology to facilitate faster media offloads. The card is built for durability: it is waterproof,
shockproof, temperature-proof, and X-ray proof, making it suitable for challenging environments.
Its operating temperature range is –25 °C to +85 °C, and it is compatible with SDXC and UHS-I
enabled host devices. The physical dimensions are 31.92 mm × 23.91 mm × 2.17 mm.