Lexar Professional CFexpress Type A Card SILVER Series High Endurance pSLC Maximum Read: 800MB/s, Maximum Write: 700MB/s 320GB Purchased in 2024 and used with a Sony α series camera. Stored in a dehumidified storage box when not in use. *Returns are not accepted after arrival to prevent product substitution.* Available for immediate purchase. Please feel free to comment if you have any questions.