

Use CPU-Z to find out exact model of a CPU, and its core count. If a particular model isn't listed, select a model with same core and use change speed input to correct core speed appropriately, select an entry of similar power, or a generic entry. Lost Circuits, Silent PC Review, Storage Review, Tech Report, Xbit Labs, iXBT Labs. Data provided by calculation is based on accurate manufacturer supplied information (TDP or otherwise) and measured values from various professional sources, like following:

This PSU Wattage and Rails Calculator can calculate both wattage and individual voltage rail amperage (3.3V, 5V, 12V and 5VSB) required to run a PC system. Power Supply Unit Wattage and Rails Calculator
