FMLSD-SILVERSERI-128GB Specifications Form Factor CFexpressTM Type B Interface PCIe Gen3x2 Performance 1TB—Up to 1750MB/S read, up to 1300MB/s write,minimum sustained write speed 850MB/s1 512GB—Up to 1750MB/S read, up to 1300MB/s write,minimum sustained write speed 850MB/s1 256GB—Up to 1750MB/s read, up to 1300MB/s write,minimum sustained write speed 480MB/s1 128GB—Up to 1750MB/s read, up to 1300MB/s write,minimum sustained write speed 480MB/s1 Operating Temperature -10°C to 70°C (14°F to 158°F) Storage Temperature -40℃ ~ 85℃（-40℉ ~ 185℉） Dimension(L x W x H) 29.60 x 38.50 x 3.80 mm / 1.16' x 1.51' x 0.14' Weight 7.65 g / 0.016 lbs Warranty 10-year limited warranty High-speed performance for photographers and videographers The Lexar® Professional SILVER SE CFexpressTM Type B Card features high-speed performance of up to 1700MB/s read, 1250MB/s write, and sustained write speed of up to 800MB/s1 Capture more high-quality images and 8K video The Lexar Professional SILVER SE CFexpressTM Type B Card is designed to leverage the capabilities of next-level cinema cameras and high-resolution DSLRs, allowing you to capture high-quality images and 8K video® cameras2 for added versatility, enabling existing devices with next-generation performance Backwards-compatible with XQD® cameras This card is backwards-compatible with select XQD® cameras2 for added versatility Warranty and support The Lexar® Professional CFexpress Type B Card SILVER comes with a limited 10-year warranty3 and is backed by expert technical support Rigorously Tested All Lexar products undergo extensive testing in the Lexar Quality Labs, facilities with thousands of different cameras and digital devices to ensure performance, quality, compatibility, and reliability.