As with most Transcend cards, this memory card is shockproof, X-ray proof, and waterproof, while also being able to withstand static, plus temperatures from -13 to 185°F, allowing you to take this card with you into extreme environments. Should the card's data become compromised, you also benefit from Transcend's free RecoveRx software for to help recover deleted content, including photos, documents, music, and videos. Also featured is an endurance rating of up to 10,000 insertion/removal cycles. Designed for Mobile Storage Compliant with the latest A2 specification, Transcend's 340S microSDXC memory cards are the right fit for smartphones, handheld game consoles, action cameras, and drone cameras. Great random read/write performance and a 64GB storage capacity makes this card suitable for pairing with many devices. Application Performance Class 2 The Application Performance Class was introduced to fulfill the growing need for a better combination of random and sequential performance on mobile devices. Transcend's 340S microSDXC memory cards meet the A2 standard, delivering minimum random reads of 4000 IOPS and random writes of 2000 IOPS, and plus sustained sequential speeds of at least 10 MB/s. Transfer Capabilities Transcend's microSDXC 340S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards. By leveraging UHS-I technology, they deliver read speeds of up to 160 MB/s and write speeds of up to 80 MB/s, which is good for 4K Ultra HD video recordings and a seamless gaming experience. Store More This 340S memory card comes with a storage capacity of 64GB, allowing you to keep more gaming files and apps at hand. Built for Extremes To deliver the best performance and stability, Transcend's microSD memory cards are tested to withstand extreme conditions. They are temperature resistant, waterproof, shock proof, X-ray proof, and static proof. RecoveRx Software Transcend offers exclusive RecoveRx software, a free data recovery utility that allows you to search deep within a storage device for traces of erased files including digital photos, documents, music, and videos. Features: 64GB Storage Capacity UHS-I / U3 / V30 / Class 10 / A2 Max Read Speed: 160 MB/s Max Write Speed: 80 MB/s Min Write Speed: 30 MB/s Up to 10,000 Insertion/Removal Cycles Records 4K Ultra HD and Full HD Video Water / Static / Shock / X-Ray Proof Can Withstand Extreme Temperatures Free RecoveRx Software