Sony SBS64G1C (SBS-64G-1C) 64GB SxS-1 G1**B** Memory Card with up to 440MBs Read Speeds, Compatible with XDCAM EX Series Video Cameras. Rugged, proven technology to support all the recording features of the XDCAM EX camera lineup. Available in 32GB, 64GB, and 128GB capacity. Read speed up to 440MB/s. Supports EB Streaming between card and Sony camcorders enabling constant 2 way communication and insuring stable recording while avoiding speed degradation. Enhanced media management with Memory Media Utility.