Lexar CFexpress Type B USB-C Reader RW520, Global Specifications Model RW520 Interface USB 3.2 Gen 2 Performance Up to 1050MB/s¹ CFexpress™ Type B memory card transfer speed Up to 312MB/s¹ (UHS-II), 170MB/s (UHS-I) SD™ memory card transfer speed Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -25°C to 85°C (-13°F to 185°F) Dimensions 98mm x 60mm x 22mm / 3.85' x 2.36' x 0.86' Weight 128g / 0.28lbs Systems Supported Mac® OS 10.8+ Windows® 11/10/8/7/Vista/XP USB 2.0+ port Warranty 2-year limited warranty Accessory Includes both a USB Type-C to Type-C cable and a USB Type-A to Type-C cable