SanDisk 256GB Extreme microSDXC UHS-I Memory Card – Read speeds of up to 160MB/s, Write speeds of up to 90MB/s – Video Speeds: C10, U3, V30, A2 – Includes SD Adaptor – Limited Lifetime Warranty Manufacturer Warranty: Limited Product Lifetime Warranty Rating: 4.8 stars – 475 reviews Faster smartphone app performance thanks to the SanDisk Extreme? PRO microSD card?s A2 Specification Read speeds of up to 160MB/s let you transfer 1000 high-res photos and 30 minutes of 4K video in less than 3 minutes Capture fast-action photos or shoot 4K UHD video with write speeds of up to 90MB/s Record uninterrupted 4K UHD and FHD video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings Shockproof, temperature-proof, waterproof, and X-ray-proof for durability in extreme environments The SanDisk 256GB Extreme microSDXC UHS-I Memory Card (SDSQXA1-256G) allows you to take high-resolution burst shots of live, fast-paced action and lets you capture footage of memorable scenes in ultra-high definition.? The SanDisk Extreme microSDXC memory card comes with 256GB of storage space, allowing you to shoot continuously using your action camera without having to regularly?offload stored media to a different storage device.? Its UHS speed class 3 (U3) and Video speed class 30 (V30) ratings guarantee exceptional performance when capturing FHD and UHD videos.? The memory card’s Application Speed Class 2 (A2) rating gives the assurance of fast app load times and responsiveness. ? High-speed data transfers Read and write speeds max at 160MB/s and 90MB/s, enabling you to transfer high-resolution pictures and ultra-high definition videos quicker than conventional microSDXC flash memory cards. ? The 256GB SanDisk Extreme microSDXC UHS-I Memory Card is built to endure harsh environments.? It is waterproof, shockproof, and temperature proof.? It is also x-ray proof, enabling it to withstand scanning with security equipment in airports and tightly-guarded facilities. ? Read more about SanDisk’s 256GB Extreme microSDXC UHS-I U3 A2 V30 C10 Memory Card – 160MB/s on their?official website