The item is in like-new condition, having been used only a couple of times. I am selling it because I no longer need it. I generally ship on the same day, but it may be the next day depending on the circumstances. High-performance 512GB CFexpress Type B memory card, achieving a maximum read speed of 3900MB/s. About Nextorage: Nextorage is a Japanese company founded by former Sony engineers who have been developing memory cards for Sony cameras for over 20 years. They offer products optimized for various scenes where strong reliability is required, from creative endeavors to entertainment. Supports CFexpress 4.0 for high-speed transfer: This is a standard model with class-leading transfer speeds. 512GB: Maximum transfer speed (read) 3,900MB/s, maximum transfer speed (write) 3,400MB/s Minimum sustained write speed (512GB): 850MB/s An entry-level model that can be used for everything from still images to video shooting: This CFexpress Type B memory card is ideal for still photography of people and landscapes, including continuous shooting using the camera buffer, and for high-quality video shooting up to 8K 30fps. Backward compatible with CFexpress 2.0 devices: The CFexpress 4.0 standard is backward compatible with CFexpress 2.0, so you can use it with CFexpress 2.0 compatible host devices with confidence. Package contents: CFexpress Type B memory card body, dedicated case, memory card file rescue (download bonus) Customer support: Reliable domestic Japanese support CF card Memory Type B Compact Flash CF4.0 Nextorage