Dell PE 495W Platinum PSU 03GHW3-RFB is a server power supply for the PowerEdge systems named in the product listing. Its 495W rating identifies its stated output capacity, while the Platinum designation identifies its efficiency class.
The listed compatible models are R620, R720, R820, T320, T420 and T620. This replacement power supply is intended for these server configurations, with its exact part code making the variant easy to identify.