been looking to finally getting around to building my own pc and the only real thing that Im lost at is how to buy a PSU. I googled a while, but I didnt really understand most articles on PSUs. so, can some of you help with my questions?
1. does a higher wattage PSU mean that it uses more electricity than a lower wattage one, or is power comsumption based more on the components of a pc? for example, will an 650W psu get me a bigger electricity bill than a 500W psu powering the same components?
2. is the power usage of each component summed up for a total power consumption grade?
3. I was looking at an HD6950 and it says in the requirements that it needs a 500W psu with 2 75W connectors. does this mean it uses 150W from the pins + the power from the pcie slot? why is 500W psu a requirement?
4. there might be more to consider when buying a psu(depending on how the previous questions are answered), but what would be a reliable/common psu to have powering an ivy bridge/sandy bridge i5 cpu and an hd6950?
I read a few articles here on THG forums, "How to determine how much power you need", "The PSU Efficiency Myth", and "Computer Power Supplies - A Guide". my brain kind of hurts after reading those. I have a year of college electronics in my head and Im still learning. I believe I might understand a complex answer if its what you have.
thanks for your time.
1. does a higher wattage PSU mean that it uses more electricity than a lower wattage one, or is power comsumption based more on the components of a pc? for example, will an 650W psu get me a bigger electricity bill than a 500W psu powering the same components?
2. is the power usage of each component summed up for a total power consumption grade?
3. I was looking at an HD6950 and it says in the requirements that it needs a 500W psu with 2 75W connectors. does this mean it uses 150W from the pins + the power from the pcie slot? why is 500W psu a requirement?
4. there might be more to consider when buying a psu(depending on how the previous questions are answered), but what would be a reliable/common psu to have powering an ivy bridge/sandy bridge i5 cpu and an hd6950?
I read a few articles here on THG forums, "How to determine how much power you need", "The PSU Efficiency Myth", and "Computer Power Supplies - A Guide". my brain kind of hurts after reading those. I have a year of college electronics in my head and Im still learning. I believe I might understand a complex answer if its what you have.
thanks for your time.