Designed for reliable always-on and long-lasting use in security cameras, dash cams, and body cams, the 128GB PRO Endurance UHS-I microSDXC Memory Card from Samsung delivers sustained performance for smooth, high-resolution recording and playback, while also safeguarding critical data for business owners and consumers. This SDXC card has a capacity of 128GB, has an endurance rating of up to 70,080 hours, and takes advantage of the UHS-I bus to support sequential read speeds of up to 100 MB/s and sequential write speeds of up to 40 MB/s. Thanks to its V30 / U3 rating, write speeds are guaranteed not to drop below 30 MB/s. It is also resistant to magnets, X-rays, water, drops, and wear, and can withstand operating temperatures from -13 to 185°F. Included is microSD to SD adapter, allowing this card to be used in full-sized SD devices.