Transcend 64GB 300S UHS-I microSDXC Memory Card with SD Adapter Upgrade the storage and performance of your mobile device using the 64GB 300S UHS-I microSDXC Memory Card from Transcend. Designed to retrieve small pieces of data from random locations and improve app launch times, the 300S has a capacity of 64GB, supports the UHS-I bus, and features a speed class rating of U1 / Class 10, guaranteeing minimum write speeds of 10 MB/s. Read speeds are supported up to 100 MB/s and write speeds up to 25 MB/s, making it suitable for Full HD video as well as raw and JPEG photos and bursts. This memory card is shockproof, X-ray proof, waterproof, static resistant, and can withstand temperatures from -13 to 185°F, making it suitable for extreme environments. If data becomes compromised, Transcend’s free RecoveRx software helps recover deleted photos, documents, music, and videos. A microSD to SD adapter is included for compatibility with SD devices. Features include suitability for mobile app storage with strong random read/write performance, Application Performance Class 1 (A1) with minimum random reads of 1500 IOPS, random writes of 500 IOPS, and sustained sequential speeds of at least 10 MB/s, UHS Speed Class 1 and Class 10 compliance for Full HD video recording, 64GB storage capacity, waterproof design meeting JIS IPX7 standards for immersion up to 3.3 feet for 30 minutes, temperature proof operation from -13 to 185°F, static proof compliance with EMC IEC61000-4-2, X-ray resistance meeting ISO7816-1 standards, shock resistance against vibration, bending, and twisting, and inclusion of RecoveRx data recovery software. UPC 0760557842088 MPN TS64GUSD300S-A