64GB Micro SD Memory Card - Netac P500 PRO V30 UHS-I U3 High Speed MicroSDXC TF Card with Adapter Data Read Speed is up to 100MB/s-Write Speed:&gt;40MB/s;Read Speed:&gt;90MB/s.(Tested by CrystalDiskMark in Transcend USB3.0 Card Reader and USB3.0 Interface) Video Transfer Speed Reach V30/UHS-I U3 Class-Write Speed:&gt;20MB/s;Read Speed:&gt;75MB/s.(Tested by H2testw in Transcend USB3.0 Card Reader and USB3.0 Interface) Support Recording Full HD and 4K Ultra HD Video;The Actual Capacity is equal to 93% Nominal Capacity Great Storage Solution for GoPro/Nintendo Switch/PSP/Underwater Digital Photography Professional Adapt for Android system/Dashcam/Camera/Drone