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A power supply is an electrical device that supplies electric power to an electrical load. The primary function of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load.
Purposes of a Power Supply
The power from a wall outlet is high-voltage AC. The type of power computers need is low-voltage DC. All computer parts (the electronic chips on the motherboard and adapters, the electronics on the drives, and the motors in the hard drive and optical drive) need DC power to operate. Power supplies in general come in two types: linear and switching. Computers use switching power supplies. The main functions of a power supply include the following:
1. Convert AC to DC
Provide DC voltage to the motherboard, adapters, and peripheral devices
Provide cooling and facilitate air flow through the case
2. One purpose of a power supply is to convert AC to DC so the computer has proper power to run its components. A power supply does not connect to the front panel switch as the old
style power supplies did. With power supply, a connection from the front panel switch to the motherboard simply provides a volt signal that allows the motherboard to tell the power supply to turn on.
3. Another purpose of a power supply is to distribute proper DC voltage to each component. Several cables with connectors come out of the power supply. With motherboards, there is only a pin connector used to connect power to the motherboard. The power connector inserts only one way into the motherboard connector.
4. Another purpose for a power supply is to provide cooling for the computer. The power supply’s fan circulates air throughout the computer. Most computer cases have air vents on one side, on both sides, or in the rear of the computer. The ATX-style power supply blows air inside the case instead of out the back. This is known as reverse flow cooling. The air blows over the processor and memory to keep them cool. This type of power supply keeps the inside of the computer cleaner than older styles.
THINGS TO CONSIDER BEFORE BUYING POWER SUPPLIES.
1. WATTAGE
The first thing you need to do when choosing power supplies is calculate the total wattage needed for your build. True wattage is very important if you buy something based on peak power because it will not perform consistently without it.
2. PRICE
The second thing you should consider when choosing supplies is to determine your budget. In general, setting aside the total system build is a good cost per performance ratio.
3. RATING
After figuring out your budget and power consumption needs, you may need to consider long-term energy savings.
4. EFFICIENCY
You can find out which power supplies are certified.
5. MODULARITY
Another aspect of power supply that often gets overlooked is modularity. It’s pretty easy to figure out what type of cabling you need because there are only three options:
Direct Cable: All power supply cables come from the power supply housing directly. This setting is cheaper in production or design, making power supplies cheaper to consumers. However, this is not good for the enthusiast who may need to change his build from time to time. Cable management is also much harder with a mess of spaghetti cables to deal with.
Semi-Modular: All necessary cables come from the power supply case directly. Non-essential plugs connectors are modular allowing you to remove them at will.
Full-Modular: All cables are removable, making installation extremely easy and sleek. Cable management is extraordinarily easier with a full-modular power supply and it makes it easy if you change builds frequently or even if this is your first build.
6. LOOKS
The last step for enthusiasts is to look at the visual design of the power supply to find one that matches the color theme of the build. Everyone has their own style and the most important thing how the system will look to you.
kindly click the link or the image below to place order
https://www.deluxe.com.ng/product-category/power-supplies
www.deluxe.com.ng
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