Extreme speed ??? approximately 633X 95MB/sec Read (90MB/sec Write)*Lightning-Fast Write Speed captures images quicklyUHS Speed Class 1 and Class 10 compliant let you capture fast-action video in full high definition, even in 3-D (???Full HD video (1920x1080x30fps) HD and 3D video support may vary based upon host device, file size, resolution, compression, bit rate, content, and other factors. ???