TR2 S 650W (DC to DC Version) The TR2 S Series is certified by 80 PLUS 230V EU, saves energy through its high efficiency of up to 80% and accommodates any mainstream build with the most demanding requirements. An embedded Hydraulic Bearing Fan delivers excellent airflow at an exceptionally low noise level. Additionally, the single +12V rail design and DC-DC design enables non-stop usage with stable and reliable performance. Ultra Quiet 120mm Fan TR2 S Series adopts 120mm Hydraulic Bearing Fan to guarantee cool performance and silent operation.| 80 PLUS 230V EU Certified TR2 S Series saves energy through its high energy efficiency of up to 80% and is 80 PLUS® 230V Standard certified. Multiple Connectors The cables used for TR2 S Series are black and low-profile, users are able to properly route the cables in optimal location to prevent airflow blockage. High-Quality Components High quality components enable non-stop usage with stable and reliable performance, no more capacitor explosion and leakage. High amperage Single +12V Rail & DC to DC Design TR2 S Series is equipped with powerful +12V rails, superior performance under all types of system loading. The use of DC to DC circuit design provides very stable operation and enhanced voltage regulation. Built-in Industrial Grade Protection To protect the hardware, TR2 S series is built with industry grade protections: OCP(Over Current Protection), OVP (Over Voltage Protection), UVP(Under Voltage Protection), OPP(Over Power Protection), SCP(Short Circuit Protection), OTP(Over Temperature Protection).