The SDSDUN4-256G-AN6IN from WD/SanDisk Retail is an Ultra SDXC UHS-I memory card offering a massive 256GB of storage space, perfect for storing tons of high-resolution photographs and hours of HD video. With speed class 10 and a performance rate of up to 120MB/s read speed, it ensures quick access to your data and efficient transfer rates. The card is engineered to be waterproof, temperature-proof, shockproof, and x-ray-proof, making it a durable companion for travelers, adventurers, and professionals who subject their equipment to harsh conditions. It's an ideal storage solution for people who need reliable, high-capacity storage for their cameras, camcorders, or other SDXC-compatible devices.