SanDisk Extreme PRO 32GB up to 95MB/s UHS-I/U3 SDHC Flash Memory Card - SDSDXPA-032G-X46 4K Ultra HD (3840 x 2160p); Full HD (1920 x 1080p) Write Up To 90MB/s/ Read Up To 95MB/s Extreme reliability and endurance, the Power CoreTM Controller's firmware increases endurance through wear leveling. The Power Core Controller's advanced Error Correction Code (ECC) engine improves overall data integrity and reliability of the card during read and write. Extreme durability- built for and tested in harsh conditions-these cards are temperature proof, water proof, shock proof, and x-ray proof Engineered with the Power Core Controller, the SanDisk Extreme Pro SDXC UHS-I memory card delivers blazing fast performance distributing image data across the card more rapidly and efficiently.