The CyberPower Smart App Online OL6KRTHD high-density design offers more power in less space. In fact, it can be configured into 2U of rack space or as a tower, compared to 3U and 4U for similar competitive UPS models - giving you more room to grow. The OL6KRTHD features double-conversion topology for seamless power protection and a pre-installed RMCARD205.For monitoring, this UPS offers a new state-of-the-art, multi-function, color matrix LCD screen that is simple to set up and easy to use. The color-coded alerts provide clear status of the UPS and the screen orientation rotates automatically when placed into a tower configuration.The OL6KRTHD ensures maximum efficiency and capacity output with a Power Factor rating (PF) of 1. The energy-saving GreenPower UPS ECO Mode enables up to 96% efficiency while reducing power consumption and thermal dissipation. The variable 7-speed fan provides automatic thermal management, based on power load, to reduce noise.The optional BP144VL2U01 Extended Battery Module (EBM) expands runtime and up to ten EBMs can be connected in a daisy-chain to the UPS for more backup power.