The Dell TH1CT 495 W redundant power supply is a replacement server power unit identified by Dell as an Emerson PSU. It provides a 495 W AC power supply for supported PowerEdge configurations, including the T330.
In a T330, Dell documents support for up to two 495 W Platinum AC PSUs. When two identical units are installed, the system can be configured for 1+1 redundancy, helping maintain power if one unit is unavailable. This unit is intended for server power supply use; package contents are not specified.