Kingston Canvas Go Plus SD Memory Card - 128GB UHS-I - Class 10 - U3 - V30 - Read up to 170MB/s - Write up to 90MB/s - for DSLRs / Mirrorless Cameras & 4K Video Production. . Designed for on-the-go users who are shooting UHD 4K video and photo bursts on their DSLR, the 128GB Canvas Go! Plus UHS-I SDXC Memory Card from Kingston features a storage capacity of 128GB and takes advantage of the UHS-I bus to support read speeds of up to 170 MB/s and write speeds of up to 90 MB/s. This Canvas Go! Plus card supports the V30 speed class, which guarantees minimum write speeds of 30 MB/s. If your device does not support the V30 speed class, this card also supports the U3 speed class, which likewise guarantees minimum write speeds of 30 MB/s.