Lexar Professional CFexpress Type-B SILVER, Max Read 1750MB/s, Max Write 1300MB/s, Domestic Manufacturer Support Available, 10-Year Manufacturer Warranty, Domestic Genuine Product, 512GB [Imported Goods] Product Specifications Form Factor: CFexpress Type B Interface: PCIe Gen3x2 Read Speed: Up to 1750MB/s Write Speed: Up to 1300MB/s Operating Temperature: -10° to 70°C (14°F to 158°F) Storage Temperature: -40° to 85°C (-40°F to 185°F) Size: 38.50mm x 29.60mm x 3.80mm Weight: 7.8g I accidentally bought this, thinking it was an SD card. It's new and unused, but I tore the box open without realizing my mistake... I purchased it on Amazon on 2025/10/10 for 16,980 yen.