The RAID Configurator Tool is a fast, browser-based utility that helps system administrators, IT professionals, and storage planners calculate usable capacity and fault tolerance across popular RAID levels. Simply enter the number of disks, disk size, and select a RAID level to instantly view total usable storage, redundancy level, and configuration notes. Whether you’re planning a home NAS or enterprise-grade storage array, this tool simplifies RAID planning with clarity and precision—no downloads or spreadsheets required.