Intelligent line interactive power protection ideal for core business servers and mid-range network gear. Smart-UPS is trusted by millions of IT professionals throughout the world to protect equipment and critical data by supplying reliable, network-grade power reliably and efficiently. APC by Schneider Electric's Smart-UPS is the most popular uninterruptible power supply (UPS) in the world for servers and other network devices such as switches, routers workstations and point-of-sale devices.