Designed for SD devices that can capture Full HD, 3D, and 4K video, as well as raw and burst photography, the 128GB Extreme UHS-I SDXC Memory Card from SanDisk has a capacity of 128GB, is compatible with the UHS-I bus, and features a speed class rating of V30, which guarantees minimum write speeds of 30 MB/s. The SanDisk Extreme SD UHS-I memory card delivers performance that lets you take control of your creativity. With shot speeds of up to 70MB/s and UHS speed Class 3 (U3) recording, you’re ready to capture stunning high-resolution, stutter-free 4K UHD video1. Its 150MB/s transfer speeds mean you can quickly move your photos where you want them. Plus, it’s built to withstand weather, water, shocks and other less-than-ideal conditions so you can rest assured that it’s good to go wherever you go. Product features: - Shot speeds up to 70MB/s, transfer speeds up to 150MB/s [128GB-256GB] - Perfect for shooting 4K UHD video and sequential burst mode photography - Capture uninterrupted video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) - Built for and tested in harsh conditions: temperature-proof, waterproof, shock-proof, and x-ray-proof - Lifetime limited warranty - RescuePRO Deluxe data recovery software download offer, for restoring accidentally deleted images Specifications Card Type: SDXC Storage Capacity: 128 GB Bus Type: UHS-I Speed Class: 10 UHS Speed Class: U3 Video Speed Class: V30 Data Transfer: Read Speed: 150 MB/s Maximum (Burst) Write Speed: 70 MB/s Maximum (Burst) Write Speed: 30 MB/s Minimum Built-in Write-Protect Switch: Yes