Integral has manufactured largest Micro SD of 512GB (half a terabyte) which is well compiled in a tiny chip. Before now 400GB SDcard by SanDisk was the largest but has now been over thrown.
It was reported that the memory card would run a processing speed up to 80MB/s. Although the 512GB is a bit slow. while the 400GB SDcard by SanDisk runs up to 100MB/s
It’s designed to capture full HD video off cameras because it meets the V10 standard for video transfer rates and is classified as SDXC UHS-I U1 card I.e it has minimum write speed of 10MB/s. The Launch date of the SDcard has not yet been announced but will be available in the open market around sometimes February.