Kingston SDXC Canvas Go Plus 170MB/s 256GB Memory Card V30, U3, and C10: Increased speeds: Read/write speeds of up to 170/90 MB/s allow for faster content transfer and capture. Perfect for using your DSLR camera for burst photography and 4K UHD video recording. Your workflow will be accelerated by high speeds and enhanced performance. Class 3 (U3) MHS Speed and Cla Video Speed