Transcend 512GB 300S UHS-I microSDXC U3A1 Memory Card with Adapter

The Transcend 512GB 300S UHS-I microSDXC U3A1 Memory Card is compliant with the latest speed class, the cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time. This memory card meets the new A1 standards, delivering a minimum random read of 1,500 IOPS and random write of 500 IOPS, and sustained sequential speeds of at least 10MB/s. Transcend 512GB 300S UHS-I microSDXC Memory Card meets both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recordings, with read/write speeds of up to 100MB/s and 85MB/s respectively. The microSD memory cards are tested to withstand extreme conditions. They are temperature resistant, waterproof, shock proof, X-ray proof, and staticproof. The Transcend 512GB 300S UHS-I microSDXC Memory Card comes with 5 years warranty.