Name of Brand: Acer AC550 is the model. Presentation Introducing your system's power and efficiency partner, the Acer 550W AC550 80+ Bronze ATX Power Supply. We promise a full circuit output of 12V for stability using a high-precision SMT DC-DC circuit and a fully modular design. Higher efficiency is achieved by our double-layer fiberglass PCB circuit, and pure filtration and anti-interference protection are guaranteed by the flat copper filter inductor. Advanced safety features like OVP, SCP, UVP, and OPP are also included in the AC550 Power Supply, offering defense against overload, undervoltage, short circuit, and overvoltage. We provide the versatility you require with our full modular connectors, which include 1 x 20+4P, 2 x 4+4P, 3 x IDE, 5 x SATA, and 2 x PCIE 6+2P.