New Lexar Professional 2000x 256GB UHS-II U3 C10 SDXC SDHC SD Card LSD2000256G
Specifications Speed up to 300 MB/s read, up to 260 MB/s write Operating Temperature 0 °C to 70 °C (32 °F to 158 °F) Storage Temperature -25 °C to 85 °C (-13 °F to 185 °F) Dimension (L x W x H) 32 mm x 24 mm x 2.1 mm / 1.25” x 0.95” x 0.08”.