Eaton 5P550R 550VA 420W 120V line interactive uninterruptible power supply provides reliable backup power and surge protection for small workgroup servers network equipment voip systems and telecom hardware. Featuring true sine wave output five NEMA 5 15R outlets USB and RS 232 management interfaces advanced battery management ABM technology and built in automatic voltage regulation AVR this 1U rackmount UPS delivers clean stable AC power during brownouts blackouts and voltage fluctuations. The integrated LCD display offers real time status monitoring and remote on off control with optional network card solution. Energy Star certified design includes rack mounting ears power cable serial cable USB cable and three year limited warranty from Eaton. Ready for Cybersecure network card option for proactive remote monitoring and management