Overview Reviews Product Description CyberPower OL6KERTHD guarantees power backup protection for IT equipment, servers, workstations, NAS/Storage devices, telecom devices, networking devices, security/emergency and surveillance systems. The UPS adopts double-conversion topology. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × CyberPower CyberPower 6000VA/W Rack Tower UPS Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments