SanDisk Extreme Pro 16 GB SDHC UHS-1 Flash Memory Card 45MB/s SDSDXP1-016G-X46 Engineered with the San Disk Power Core Controller, the San Disk Extreme Pro SDHC card. WRITE PERFORMANCE: up to 60MB/sec (400x) Extreme Full HD video speed enabled by UHS Speed Class 1. Lets you capture fast-action video in full high definition, even in 3-D. Extreme durability built for and tested in the harshest conditions these cards are temperature proof, water proof, shock proof, and x-ray proof. And improves overall data integrity and reliability of the card during read and write. And x-ray proof. They also come with a lifetime limited warranty1. Engineered with the SanDisk Power Core Controller, Extreme Full HD video speed enabled by UHS Speed Class 1 lets you capture fast-action video in full high definition, even in 3-D. Extreme reliability and endurance, the SanDisk Extreme Pro SDHC Power Core Controller's (PCC) firmware increases endurance through wear leveling SanDisk Extreme Pro SDHC Power Core Controller's (PCC) firmware increases endurance through wear leveling SanDisk Extreme Pro SDHC card delivers blazing fast read and write performance distributing image data across the card more rapidly They also come with a lifetime limited warranty1. WRITE PERFORMANCE: up to 60MB/sec (400x)