How to check the compatibility of PC components?

Question

Iron

I'm not a professional in hardware, and while browsing forums and websites, I got completely confused.
The fact is that I want to assemble a computer for myself, I'm going to buy components from different sites, perhaps even from foreign ones.
But I’m afraid that I’ll choose components that will be stupidly incompatible, or it will turn out at the last moment that one plug here, and there another, and I’ll have to collective farm through adapters or change components altogether, or even worse, lose money altogether. Namely, I have problems with the selection of a power supply, video card, motherboard and processor. I know about different sockets, I know that it’s impossible to plug Intel into the motherboard for an AMD socket. But the rest is a dark forest for me. I won’t assemble the PC myself, I’ll just order components from different places, and give it to professionals for assembly. Here is an example:
1. Take a conditionally suitable power supply, the characteristics indicate the following - MB and CPU power: 24 + 8 + 4 + 4 pin; video card power supply: 10x(6+2) pin. The fact that nutrition is 24 for the mother is understandable, what do the other 8 + 4 + 4 mean? And what does 10x mean for graphics card power? about 6 + 2 it is clear that 8 pin is broken into 6 + 2.
2. Let's take conditionally liked three video cards from one in the characteristics: add. power supply: 8+8 pin. Another add. power supply: 6+8 pin. The third add. power supply: 8 pin. They will fit any power supply, or how to understand with which wires the power supply is needed?
3. How to figure out which motherboard, which processor to take? About Intel sockets, and I know if there are any other nuances in the selection, for example, a mother for an Intel socket, and an Intel processor?

Answer 1

It's strange how you act... Yes, they do. Yes, I do it myself :) But I don't give it to "professionals" - because if there is money (or opportunities) for professionals, then it's easier to tell them "I want to get hurt." And whoever does it himself - he does not ask ...
For nutrition.
Connectors after the plus mean additional power to the processor. They did not pay attention - in addition to the main large connector on the mother, there is also a small, 4-6-8 pin connector near the processor. A mother with an 8-pin connector cannot be powered from a cheap PSU with a 4-pin connector (on the contrary, you can, the connectors are usually collapsible).
Video card connectors means the number of pins in the connector for it. Dishman cards have no supplement. The cards are more powerful - one connector for 6 or 8 pins. Powerful cards (or not very new ones) have two connectors of 6 or 8 pins. Without the presence of an appropriate connector on the PSU, such a card cannot be powered.
In addition, the PSU has more parameters - efficiency (certificate 80+), the number of power rails - read the reviews and it will become clear what's what. If we are to be completely paranoid - there is a difference in what kit it is assembled on - the Dishman one is more likely to burn out :)
The processor and mother should be docked by sockets :) - and their last time has been stopped, read the datasheets for the mother and for percent. It is best to take a boxed one, unless of course you want to install some kind of super-duper cooling system.

Answer 2

1. all questions to Yandex are clear and understandable.
2. the power supply must have the right number of appropriate connectors - i.e. you add up the number of connectors on the mother and vidyuhi - you get the requirement for the PSU.
if you do not plan to use a vidyuhi with a 146% power percentage, you can work with adapters.
3. You look at the website of the chipset manufacturer which processors (processor lines) this chipset supports. so you choose.

Answer 3

3. How to figure out which motherboard, which processor to take? About Intel sockets, and I know if there are any other nuances in the selection, for example, a mother for an Intel socket, and an Intel processor?

The next obvious nuance after choosing a socket is the motherboard chipset. For Intel, this is H, B, Z. AMD - A, B, X. At the moment, the new ones for Intel are H310, B360, Z370 (Z390 came out not long ago). AMD has A320, B350, X370 (B450, X470).
Let's talk about Intel. They have regular processors like the i7 8700 and some for overclocking like the i7 8700K. That is, the index K at the end indicates whether the processor is intended for overclocking or not. So. Overclocking is not available on all motherboards, in other words, not on all chipsets. Overclocking is only available on motherboards with Z chipset, such as Z370, Z390.
Nobody forbids you to take, say, a motherboard with a Z chipset, and a processor without a K index. Everything will still work. But the feasibility of this solution is minimal.
At AMD, the processors of the Ryzen 3, 5, 7 line are all chasing, and if the memory does not change on all chipsets (A (not sure about A), B, X).