Delkin 128GB Cinema CFast 2.0 Memory Card (DDCFST560128) Tested with Leading CFast 2.0 Hosts, including Canon, Blackmagic & Atomos (Regular Deep Format Recommended) HD, Ultra HD, & DCI 4K Video Ready Designed for Stills, Cinema & Broadcast Read/Write Speeds: 560/495 MB/s Built-In Wear Leveling & Error Correction