Performance C Series XP400 | XP500 | XP600 The new Xilence Performance C series is focusing on the essentials. Designed for office and home computers, the new Performance C series delivers stable voltages with high efficiency (ErP2014). This guarantees a considerably low fan noise. Four built-in safety circuits ensure safe operation at all times. extremely silent cooling: large 120mm fan excellent air flow design for a better heat dissipation following safety design: Over Voltage Protection (OVP) Under Voltage Protection (UVP) Short Circuit Protection (SCP) Over Load Protection (OLP) low stand-by consumption complies with ErP2014 norm