what is the difference between bronze and gold

Solution
Only difference is gold uses less electricity to convert to 12volt DC than Bronze. Quality is dependent on how good the parts are that are used to make the power supply. Gold/Bronze is only an efficiency rating and not indicative of overall quality. If the computer runs all the time a Gold rated PSU will save a small amount on electricity cost over the Bronze.
Only difference is gold uses less electricity to convert to 12volt DC than Bronze. Quality is dependent on how good the parts are that are used to make the power supply. Gold/Bronze is only an efficiency rating and not indicative of overall quality. If the computer runs all the time a Gold rated PSU will save a small amount on electricity cost over the Bronze.
 
Solution