APC Smart-UPS Modular Ultra 10 kW SRYL10K20XLT18 | Online UPS, Rack

Maintain uptime for dense server and network loads with a modular online UPS designed for serious infrastructure. The APC Smart-UPS Modular Ultra 10 kW is built to protect critical systems with scalable capacity, N+1 redundant architecture, and a deployment model that fits both tower and 18U rack environments. For teams that cannot afford a single point of failure, modular power architecture gives you a cleaner path to resilience than oversized monolithic units. This model is specified for 208/240 V operation and is positioned for environments where load growth, serviceability, and continuity matter more than entry-level price. The modular design supports expansion to 20 kW, helping you match protection to actual demand instead of overbuying on day one. That makes it a strong fit for infrastructure rooms, edge compute spaces, and consolidated server deployments where downtime carries real cost. Choose this UPS when you need more than battery backup. You need controlled power delivery, redundancy, and a form factor that can be integrated into a professional rack strategy. It is the kind of platform that justifies its place in the stack by protecting higher-value systems, reducing operational risk, and supporting future capacity without a full replacement cycle.