Komputerbay 128GB SDXC Secure Digital Extended Capacity Speed Class 10 400X UHS-I Ultra High Speed Flash Memory Card 45MB/s Write 60MB/s Read 128 GB Only compatible with SDXC-labeled host devices (Not compatible with standard SD & SDHC devices) Reliability with a Lifetime limited warranty, Huge 128GB capacity Great for HD video recording, High speed Class 10 rating, UHS I rated 60MB/s dramatically improves transfer speeds from card to computer Take data, photo, music, and video files wherever you go