SanDisk Extreme PRO microSDXC UHS-I 512GB A2 Expert Features: Extreme Speed: Achieve ultra-fast read speeds up to 200MB/s and write speeds up to 140MB/s for quick transfers, app performance, and 4K UHD recording. 4K UHD Recording: Ideal for capturing outdoor adventures, sports, and high-resolution photos without skipping frames. QuickFlow Technology: Optimize performance and save time with faster media offloads. A2-Rated: Enhance app performance for an exceptional smartphone experience. Durable Design: Shockproof, temperature-proof, waterproof, and X-ray-proof for extreme environments. High Capacity: Store more with up to 1TB capacity for uninterrupted 4K UHD and Full HD video. Compatibility: Perfect for Android smartphones, action cameras, drones, and more. Expert Specifications: Capacity: 512GB Form Factor: microSDXC™ Sequential Read Performance: Up to 200MB/s Sequential Write Performance: Up to 140MB/s Warranty: Lifetime Limited Warranty Dimensions (L x W x H): 10.92mm x 14.99mm x 1.02mm Weight: 1.66gms Model Number: SDSQXCD-512G-GN6MA Operating Temperature: -25°C to 85°C Non-Operating Temperature: -40°C to 85°C Certifications: CE, FCC, C-Tick/RCM, UKCA, EAC, ICES Product Features: Write Speeds: Up to 140MB/s 4K UHD Video: Great for capturing A2 App Performance: Load apps faster Compatibility: Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices