Hamburg 530w the thermaltake 530w hamburg has an efficiency of 80 to 86 and is 80 plus certified active pfc ensures a clean and reliable power supply operation is ultra quiet by the controlled 120 mm fan the thermaltake 530w hamburg has full compatibility with the dx11 graphics cards thanks to the latest generation of two 6 2 p 8p pci e connectors key features technology features double forward switching circuitry offers low power loss and high reliability built in industrial gra