The Dell PR21C 1100W power supply is a hot-pluggable server PSU designed for Dell PowerEdge R630 and R730 systems, delivering reliable, high-efficiency power for enterprise workloads. It provides 1100 Watts of output with 80 Plus Platinum efficiency, accepts 100–240 VAC input at 50/60 Hz, and uses integrated fan cooling to maintain stable operation under load. Built for redundancy in data-center environments, this hot-swappable PSU supports dual-power configurations and is suited for virtualization hosts, database servers, and other enterprise applications that require continuous uptime.
