Description Unlike any other storage device, the High Endurance Card from TEAMGROUP is designed for professional monitoring systems and long recording hours that is suitable for professional and residential monitors. The High Endurance Card can satisfy write-intensive recording needs.The High Endurance Card has up to 256GB of storage capacity, delivers 40,000 hours of ultra-long recording hours, ensure every critical moment is safely in storage. Model: High Endurance Micro SDXC UHS-I U3 V30 Capacity: 64GB / 128GB / 256GB Data Transfer RateRead: Read/Write: up to 100/50MB/s micro SD Dimensions: 15.0(L) x 11.0(W) x 1.0(H) mm Micro SDXC 2-year limited warranty