Specifications Summary: Refresh Rate: 24Hz, A New Level of Visual Comfort. Extensive connectivity: 27” QHD display features a refresh rate of 24-120Hz & supports daisy chain up to 4 displays. Stylish design: Experience innovation with the 4-sided ultra-thin bezel design and support for the modular camera/speaker. All-day comfort: Features 5-star Eye Comfort certification from TÜV Rheinland by reducing harmful blue light to less than 35%. Leader in Environmental Responsibility. Power efficiency: 30% less energy consumed than the ENERGY STAR energy efficiency requirement. Made with better materials: 95% PCC, 100% recycled aluminum, 50% recycled steel, 20% recycled glass, low halogen & the latest TCO10 certification. Innovative Remote Manageability. Uninterrupted productivity: Offers silent mode for FW upgrade with no work disruption for end users. Faster: Firmware upgrade surpasses industry speed standards. User-friendly: Supports Firmware upgrade in daisy chain scenario, with no need to unplug your USB.