No. This model has 8 GB of onboard RAM by default, but it can be upgraded to 16 GB at the time of purchaseâfor an additional US $200. The RAM in this model is soldered to the logic board and cannot be upgraded later.
For other types of power, see Power. In physics, power is the rate of doing work. It is the amount of energy consumed per unit time. Having no direction, it is a scalar quantity. In the SI system, the unit of power is the joule per second (J/s), known as the watt in honour of James Watt, the eighteenth-century developer of the steam engine.
In social science and politics, power is the ability to influence or control the behavior of people.The term  authority  is often used for power perceived as legitimate by the social structure.ower can be seen as evil or unjust, but the exercise of power is accepted as endemic to humans as social beings. In business, power is often expressed as being upward or downward. With downward power, a company's superior influences subordinates.