Sandisk High Endurance microSD Card ~128GB MicroSDXC with Adapter 256GB / 512GB V30 U3 Class10 Up to 100MB/s

Capacity: 128GB/256GB/512GB (Actual usablestorage less)Read Speed: up to 100MB/sWrite Speed: up to 40MB/sVideo Speed: C10 U3 V30Form Factor: microSDXCSD Adapter : YesAll data storage are not exact in stated capacity. All electronic storage has hidden partitions for its functions tools. All these hidden partitions will not be shown in Windows explorer, and Disk Management does not give an option to browse contents of these partitions. Also, the binary measurement is different and not eaxct for units stated capacity. You may research for it for more info.Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors.Dimensions : 5cm x 6cm x 5cmWeight : 0.04kgWhat's in the Box : 1x SanDisk High Endurance Video Monitoring 128GB Micro SDXC Class 10 SDSQQNR with Adapter (New Model)Warranty : 2 YearsDisclaimer: Read and Write Speed may vary depends on the capacity and speed of the host device, the stated or advertised speed of the brand is said "up to" meaning this is the maximum potential speed of the product that a host device can meet but not the exact speed that it can perform. Range of speed is better if you also have better host device and components that can meet better speed.