EATON 3S UPS series is consiedred to be the economic UPS series for PC protection. All series are silent (fanless) and include IEC320 or Schuko outputs for 450VA and 850VA loads. EATON 3S UPS series provide power and surge protection for desktop computers, wireless networks, gaming consoles, and other critical equipment in home or business. EATON 3S UPS series supply battery backup power during outage and advanced surge protection to prevent damage from lightning strikes through data line or accidental grid surge. All models include a USB Interface for PC connection.