ProGrade Digital 【CFexpress Type B】 COBALT 1700R (325GB) - Official Import - Brand: ProGrade Digital - Model: CFexpress Type B - Capacity: 325GB - Read Speed: 1700MB/s - Write Speed: 1500MB/s Fully functional. Used sparingly and kept as a spare. As shown in the images, the remaining lifespan is confirmed to be 100% using "Refresh Pro". The following updates were performed using Refresh Pro 4.0.3: Sanitized/Deep formatted, restoring factory-fresh high-speed performance. Firmware updated/Firmware updated to the latest version.