In today’s fast-paced world of NVMe, PCIe, and blazing-fast SSDs, the term IDE (Integrated Drive Electronics) may sound outdated. Once the standard for connecting hard drives and optical drives, IDE was largely replaced by SATA and, more recently, NVMe. Yet, in the world of industrial systems, embedded devices, and legacy equipment, IDE is making a surprising comeback. The reason? Long product lifecycles, reliability demands, and specialized applications that simply can’t retire overnight.