This is a genuine MicroSD card. Non-genuine SD cards may have their capacity misrepresented or may suddenly malfunction, rendering them unusable. We recommend using genuine products like this one. The 1TB SanDisk Extreme PRO microSDXC card boasts a 170MB/s read speed and A2, V30 speed class, improving app loading and performance. - Brand: SanDisk - Model: Extreme PRO - Type: microSDXC UHS-I Card - Capacity: 1TB - Speed Class: A2, V30 - Read Speed: 170 MB/s - Write Speed: 90 MB/s - Includes Adapter: Yes Thank you for viewing.