There was a time when we used to say that 300W power is huge when assembling a computer. It became a story of a tiger cigarette, and now, a large amount of computer power supplies are being released in excess of 1000W.Power supplies are evolving as more and more power-hungry components like graphics cards are used, and if you're using a GeForce GTX1080 or higher graphics card, you're likely to recommend over 550 watts of power.Now, however, power can not be simply evaluated in watts. The number of watts listed in the power supply simply means maximum power, and in fact, you need to consider a number of factors including how steady and steady power is supplied, internal cooling performance, and noise.Fortunately, there are 80Plus standards to help consumers make their choice. The 80Plus is a type of certification that affixes power supplies that are more than 80% efficient.80Plus is again divided into Standard, Bronze, Silver, Gold, Platinum, and Titanium grades. The higher the rating, the higher the efficiency. 80Plus grades will be introduced in detail in other postings.The high efficiency power means that less power is wasted, and the durability and reliability of parts are high. That's why even the same power is more expensive if the 80Plus rating is higher.However, if you are a general computer user, you do not need to purchase a product that has an extremely high output and a high 80Plus rating. Once you have a standard or Bronze rating, you can use it.However, if you are overclocking or using high performance graphics cards in parallel (SLI), it is a good idea to purchase a product with high output and a high 80Plus rating. It is especially important to purchase a proven branded power supply.My PC is actually 750W, which is not a system that requires 80Plus Gold grade power. EVGA, a hardware manufacturer in the United States, makes it easier to select a power supply because the web site allows you to see how much power you need for your system.I have enough 500W of Bronze power. -_- ;;;But I sang the EVGA Supernova 750 G3 Gold power supply. It's cheap on Amazon! And thanks for asking. The total purchase price was around $ 129,If you want to buy a 750W gold grade power supply in Korea, you have to pay more than 200,000 won. Thanks to the weight of the product, shipping costs are expensive.The packaging of the product consists of the following.There is a huge 130mm fan located at the bottom. When it actually works, the noise is quite small.In fact, EVGA does not manufacture power supplies directly. It is said that the famous power supply manufacturer's products are supplied as OEM type, and it is said that they are supplied with products such as super flower and sisonic. The 750 G3 Gold I bought is known as the Superflight product OEM, the famous power supply manufacturer in Taiwan.The power cable connector is fully modular, making it very easy to line up.On the rear, there is a power switch and an eco mode switch. When Eco mode is turned on, the fan automatically operates according to the temperature. Normally it is stopped and the noise is reduced.Power cable is fully prepared. I like how much it is treated with sleeving. Of course, buying a full sleeving cable will make it easier to clean up, but that seems to be enough.The EVGA mark is also printed on the cable, so you can feel the emotion (!).This is a comparison with the existing SuperFlow Ridex Gold 750W power. It is a little smaller in size. Among the power supplies with 750W output, EVGA G3 belongs to the smallest axis. For reference, the Superflow Ridex Gold Power comes with LEDs on the connector. It's pretty pretty, but it does not seem to be very useful in cases with power supply covers like my PC.It is a power cable that connects to the main board, but it does not have a capacitor in the connector as it is known. Check out the cable picture with the capacitor through Google search.I am glad I was afraid there might be a capacitor in this way.My PC case had a power cover, so I could not shoot it. There was no great difficulty in installing it, and it seemed to work well because I can not hear fan noise or high frequency sound. I am not worried about EVGA because I can easily A / S with RMA.Perhaps EVGA products will be re-launched by EMT and supply power supply. Let's take a look at how much we can compete with FSP, Sysonic and Superflow, which are power supply companies.