Lexar CFexpress™ Type B / SD™ USB 3.2 Gen 2 Reader Specifications Interface USB 3.2 Gen 1 Transfer Speed Up to 104MB/s¹ (UHS-I) Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 85°C (-4°F to 185°F) Dimension (W x L x H) 67 x 21.3 x 11.7mm Weight 10.9 g System Supported Mac® OS 10.8+ Windows® 7+ USB 2.0+ port Warranty Two-year limited warranty