The SanDisk 128GB Ultra UHS-I microSDXC Memory Card (5-Pack) is a high-capacity, high-performance storage solution designed to meet the needs of today's tech-savvy users. Each card in this 5-pack bundle boasts a generous 128GB storage capacity, providing ample space for storing high-resolution photos, Full HD videos, music, apps, and more.These cards are rated UHS-I / Class 10, ensuring fast and reliable performance. With a maximum read speed of 100 MB/s, you can quickly transfer files to your computer or other devices. The minimum write speed of 10 MB/s ensures that your data is saved swiftly and securely, making these cards ideal for recording Full HD video and capturing still photos.The SanDisk 128GB Ultra UHS-I microSDXC Memory Cards are built to last. They are water, shock, and X-ray proof, so you can trust them to protect your data in a variety of conditions. They are also temperature proof, ensuring reliable performance in both hot and cold environments.To help you manage your files, these memory cards come with access to SanDisk Memory Zone via a free download. This user-friendly app lets you view, access, and back up your files in one location. It also allows you to move files from your card to your device to free up space.In summary, the SanDisk 128GB Ultra UHS-I microSDXC Memory Card (5-Pack) offers a combination of large storage capacity, fast performance, and robust durability, making it an excellent choice for smartphones, tablets, digital cameras, and other compatible devices.