Nitro CFexpress is a high-end CFexpress card series from EXASCEND. Exascend Nitro CFexpress is the world's first VPG400 certified CFexpress Type B card. It is IP67 certified and uses a next-generation CFexpress controller, providing performance and durability suitable for demanding shooting applications such as cinema content creation. - Brand: EXASCEND - Product Name: NITRO CFexpress Type B 512GB - Model Number: EXPC3N512GB - Capacity: 512GB - Maximum Read Speed: 1850MB/s - Maximum Write Speed: 1700MB/s - Sustained Write Speed: 1700MB/s - VPG400 Certified Performance - IP67 Certified Waterproof and Dustproof Thank you for viewing. This product is brand new and unused. Returns and exchanges are not accepted, so please confirm the model number carefully. There is no receipt as this is a gift.