Fast Transfer Speeds Transfer and capture content faster in Full HD and UHD 4K with read speeds of up to 170 MB/s and write speeds of up to 90 MB/s. Designed for UHD 4K and Burst Mode Photography High speeds and improved performance help accelerate your workflow. Durable Kingston designed this Canvas Go! Plus card to be resistant to water, shock, vibration, and x-rays. U3 and V30 Speed Class Performance This card delivers write speeds that won't drop below 30 MB/s, thanks to UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.