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What is Amperage?
Published  07/2/2011 | Computer Encyclopedia Page 2 | Unrated
What is Amperage?
This refers to the value of the current carried by a power cable, and is expressed in Amperes. Each of the voltage “rails” has an associated amperage. Since 12 V is used to drive all the motors (hard disk, optical drives), and also power the graphics card(s) (in the case of additional power being needed), it is recommended to buy a power supply unit with higher amperage in the 12 V rail.
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