The Lexar Professional Silver Series 256GB CFexpress Card Type B is a high-performance memory card designed for professional photographers and videographers. With a storage capacity of 256GB, this card allows for ample space to store large files, ensuring quick and efficient transfer and storage of images and videos. The CFexpress Type B format offers fast data transfer speeds of up to 1750Mbs, ideal for those working with high-resolution footage and images. This Lexar card is a reliable and durable option for professionals in the photography and filmmaking industries.